You can access all the comments (active and resolved) in a document from the Comments Panel. All the comments will have,
- Last Commenter info - Name, Photo
- The last comment added.
- Time the comment was posted.
- The number of replies in the thread.
To view comment activity;
- Click on the 'Comment icon' in the right corner of the editor
- Select which comment you want to view
viewing a resolved thread (ash colored comment icon) and an active comment thread