Reply to an annotation
Multiple reviewers can discuss something by responding to an annotation.
Any user can reply to an annotation or to another reply. Only the user who added a reply can edit it or delete it. Reviewers can use multiple replies to discuss the content.
All replies to an annotation are locked except for the most recent reply.
To reply to an annotation:
Your annotation appears in the Annotations side panel as a reply to previous comments that others have made.