Each time a user creates annotations for a document, the annotations are saved in a new PDF. You can delete an annotations PDF for a document.
Note If you just want to delete a specific annotation (like a text annotation or a drawing), see Edit Annotations.
Click Files in the side panel. (If Files is not shown, see Customize the Side Panel for details on how to add it.)
1. Open a file.
or
In the Files list, select the checkbox beside a file.
2. In the Versions panel, click beside a version to view the annotations.
3. Hover over an annotations PDF, then click.