How can I configure approvals for my change requests in Service Now? The video below shows you how. In Madrid, approvals for change requests are no longer configured in the approval activities in workflows. Instead, a new workflow activity type is called – Change Approval Policy – that references policies/rules that you create. When do change requests for mail server need to be approved, and by whom? What about emergency change requests? These policies are designed to make it easier to configure when and by whom change requests need to be approved.