Annotate the draft transportation plan PDF with margin notes and highlight proposed changes so the team can review my …
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.
Comments and annotations are very similar in Acrobat. 'Comments' often refer to text-based feedback like sticky notes or text boxes. 'Annotations' is a broader term that includes comments, but also visual marks like highlights, underlines, strikethroughs, and drawing tools. Both are ways to add feedback or marks to a document without changing the original content. They help you review and collaborate on documents effectively.
You should flatten or sanitize a PDF to protect your privacy and prevent information leaks. Comments and annotations are stored as a separate layer in the PDF. If you share a document without flattening or sanitizing, others can still see all your review notes, even if they are hidden from view. Sanitize removes these hidden comments and other sensitive data, making sure only the final, clean content is visible. This is important for official documents or when you don't want internal feedback to be seen externally.