Compare the current QC report version to [sop=SOP 7.2 approved on 2025-11-01], highlight differences in the report PDF…
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 are usually text-based notes, like a sticky note or a text box, where you type your thoughts. Annotations are more visual marks, such as highlights, underlines, strikethroughs, or drawing shapes. Both help you review and give feedback on a document, but they use different visual forms.
Yes, if you share a PDF that has comments and annotations, the recipient will see them. These notes are a part of the document's data. If you want to share a 'final' version without your review notes, you must use the 'Protect > Sanitize' feature first. This removes all comments and hidden data, making sure your private feedback is not shared by mistake.
Drawing markup tools are useful when you need to point to specific areas, shapes, or layouts in a document that text comments cannot easily describe. For example, you can circle an image, draw an arrow to a table, or highlight a section that needs resizing. They offer a visual way to communicate feedback, making your review clearer for visual elements.
Yes, Adobe Acrobat Reader mobile app allows you to add comments and annotations on your phone or tablet. The tools are similar to the desktop version, letting you highlight text, add sticky notes, and draw. This makes it easy to review documents even when you are not at your computer.