There is a tool at the Project level titled Change Orders.
Within the Prime Contracts and Commitments tools, there are subtabs titled "Change Orders".
This FAQ outlines the difference between the Change Orders tool and change order subtabs.
The change orders subtab is located within the Prime Contracts and Commitments tools. Within the Prime Contracts or Commitments tools, you can manage Potential Change Orders, Change Order Requests and Prime Contract or Commitment Change Orders.
The project's Change Orders tool is designed as a collaboration area with your client and contractors on Prime Contract and Commitment Change Orders, but will not show a list of Change Order Requests and Potential Change Orders.