The design mock includes three layout problems. Add callout comments pointing at the header, image sizing, and mobile …
Open your PDF file in Adobe Acrobat.
Click the Comment button in the toolbar to display the commenting tools.
Select the annotation tool you want to use, such as Note, Highlight, Text Box, or Draw.
Click on the PDF page where you want to add your comment or annotation.
Type your comment or draw your annotation as needed.
Click away from the annotation or press Escape to save your comment or annotation.
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.
A Callout comment has a line that points from the text box to a specific part of the document, making it clear what the comment refers to. A Sticky Note is a simple icon that you click to open a text box, which is good for general notes about a section rather than a precise spot. Both help you add text comments.
You should sanitize your 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, others can still see all your review notes and hidden data. Sanitizing removes these layers, ensuring only the final content is shared, which is important for official documents.
No, comments and markups are added as a separate layer on top of your original document. They are not permanently merged into the document content until you choose to flatten or sanitize the file. This means you can easily remove or edit them later without changing the original text or images. They remain recoverable data until removed.