Add a short callout on Detail A-5 explaining the dimension change requested by engineer Ruiz: place a two-line note po…
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.
| Feature | Description | Best Use |
|---|---|---|
| Sticky Note | A small icon appears on the document, and the note text is hidden until clicked. | For general comments or reminders not tied to a very specific spot. |
| Note Callout | A line points from a specific spot to a visible text box containing the note. | For detailed feedback directly linked to a precise part of the document or image. |
Note Callouts, like other comments, are often stored as a separate layer on your PDF. If the person viewing your PDF does not have a compatible PDF reader or if the file was not saved correctly, the comments might not show. Always 'Save As' a new PDF after adding comments to ensure they are embedded, or consider 'flattening' the PDF if you want the comments to become a permanent part of the document's content, not just an overlay.
Sanitizing a PDF is the process of permanently removing hidden information, including all comments, metadata, and hidden layers, from a document. You should sanitize a PDF when you are ready to share a 'final' version of a document and want to ensure that no review notes, 'Note Callouts', or other private information are accidentally included. This is important for security and privacy, especially with sensitive documents, to prevent information leaks. Use the 'Protect > Sanitize' feature in Adobe Acrobat.
Adobe Acrobat has a 'Comments List' panel that shows all comments, including 'Note Callouts', in one place. You can open this panel, usually found on the right side of the Acrobat window, to see a list of all feedback. Clicking on an item in the list will take you directly to that 'Note Callout' in the document. This helps you manage and respond to many comments efficiently.