Reviews will appear here but you need to make us an admin on your Google Page first. Here are the instructions on how to do that.
https://seorocket.com/how-to-add-an-agency-as-a-user-to-your-google-tag-manager-account/
https://seorocket.com/how-to-add-an-agency-as-a-user-to-your-google-tag-manager-account/