From the navigation bar, under Gradebook, click Set up comment approval to select peer reviewers as well as the type of gradebook access to grant your reviewers. You can send an email notifying peer reviewers of gradebook review assignments for your class. Use the Can edit comments? column to allow reviewers to edit your gradebook comments. Remember, reviewers are never allowed to change a student’s grade.
The Set up comment approval task is only available when your supervisor sets up comment approval for your school and in the Gradebooks are reviewed by column selects "Peer reviewers."