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.
Reviewers are also able to view any Internal and Public files associated with any projects they are reviewing:
They will not be able to see any other Reviewers, Observers or Advisors from the Project.
For more information about Reviewers, click here: How do I add a Reviewer to a Project?