How do I add comments to a PDF in Adobe Acrobat?

Open your PDF in Acrobat. Go to the 'Comment' tools section. Select a tool like 'sticky notes' or 'highlight'. Click on the document where you want to add the comment. Type your note or apply the markup.

Ensure Final Redline in Adobe Acrobat — How-to & AI prompts

AI prompts

1 way to ask · copy any one

CDecide — “help me choose”We just finished negotiating and I have a redline from the counterparty that should replace the…+

We just finished negotiating and I have a redline from the counterparty that should replace the working copy before reviewer sign-off in [deadline=two hours]. I’m new and anxious about overwriting the wrong version. Merge the negotiated clauses into the working agreement, flag any metadata or clause IDs that will change, and tell me the exact filename and version tag to use so reviewers see the current text.

when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

How to do it

the tool · the steps · what to avoid

1
Open your PDF file in Adobe Acrobat.
2
Click the Comment button in the toolbar to display the commenting tools.
3
Select the annotation tool you want to use, such as Note, Highlight, Text Box, or Draw.
4
Click on the PDF page where you want to add your comment or annotation.
5
Type your comment or draw your annotation as needed.
6
Click away from the annotation or press Escape to save your comment or annotation.

In the appWith the API

You can use multiple annotation types in one session, such as highlighting text and adding sticky notes for detailed feedback.

This runs in the Acrobat app - there is no separate API for this task.

Glossary

words on this page

RedlineA redline shows changes or corrections made to a document, often marked in red.ExampleThe redline on page three shows where a sentence was added to the contract.

AnnotationAn annotation is a note or mark added to a document, like a highlight or a stamp, without changing the original text.ExampleHe added an annotation to the PDF, circling a key sentence and adding a question mark.

SanitizeTo remove sensitive or private information from a document before sharing it.ExampleRemember to sanitize the document by redacting personal details before sharing it publicly.

Who does this

3 roles

EditorTeacherProject Manager

FAQ

about this task

Open your PDF in Acrobat.
Go to the 'Comment' tools section.
Select a tool like 'sticky notes' or 'highlight'.
Click on the document where you want to add the comment.
Type your note or apply the markup.

Comments and annotations are ways to add notes, highlights, and drawings to a PDF without changing the original text. They are like digital sticky notes or pen marks on a paper document, used for feedback or review. They help people communicate changes or ideas about the document.

It is important to sanitize a PDF to protect your privacy and prevent accidental information leaks. Comments and markups are stored as separate data layers. If you share a 'final' document without sanitizing, old review notes or sensitive information might still be hidden and recoverable by others, even if they don't appear visible. Sanitizing removes this hidden data completely.

You should use 'Comments and Annotations' to show specific changes. Editing the PDF directly changes the original content, and it can be hard for your colleague to see exactly what was altered. Comments and annotations, however, add a separate layer of notes and markups on top of the original document. This clearly highlights your suggested changes or feedback without altering the source, making it easy for your colleague to review and understand your input.

Yes, you can add reaction emojis to comments, especially in shared reviews. This feature allows you to quickly express your agreement, disagreement, or other feelings about a specific comment without typing a full response. It makes the review process faster and more interactive for everyone involved.

Ensure Final Redline

When to use it

AI prompts

How to do it

Glossary

The real tasks

Who does this

FAQ

Sources

Adobe help