You may request Review or Approval for any deal.
Go to the specific deal and click the Created dropdown button on the right hand side. Then click Request Review, or Request Approval. There you can also add a comment and hit Submit. The Admin for the deal has the permission to request review / approval. (The Admin for the deal can be changed in the People for the deal.)
Brokerage Name → Deals → Deal # → Created → Request Review → Comment (if desired) → Submit
Link to the list of deals that need review or approval from your Dashboard: