Below are the views from the Dashboard and Project Details page that a Reviewer will see:
Note: Reviewers are only able to see the Requested Information that has been mapped to them along with the Criteria they were assigned to review. They will not be able to see any other Reviewers, Observers or Advisors from the Project.
Reviewers are also able to view any Internal files, Public files, and Attached files from Messages associated with any projects they are reviewing:
For more information about Reviewers, click here: How do I add a Reviewer to a Project?