In certain scenarios in bigger organizations it is not unusual to have an approval flow that will involve more than one team.

The review for a request can be done in

* parallel - request denied by any of the teams would stop the workflow

* sequentially - request review progress to the next step only after the previous team has approved

Even a basic implementation on top of the existing could provide a lot of value and further anchor the use of the portal as a coordination tool for processes and teams.