Users with the following roles can see requests that are On Review:
Administrators/Account Owner
Auditors
Requester of the request
Reviewer(s) of the request
Watcher(s) of the request
Users with the following roles can see requests that are On Review:
Administrators/Account Owner
Auditors
Requester of the request
Reviewer(s) of the request
Watcher(s) of the request