Learn how to enable or disable the Adobe Express for Box Beta version:

1. In the left sidebar of your admin console, click Apps. 
2. At the top of the Apps window, click Box Apps & Integrations window.
3. In the Adobe Express for Box section, click Configure.
4. If you have not already done so, accept the Main Beta agreement.
5. Click On for all managed users.
6. Under Individual Application Controls, find Adobe Express for Box.
7. Beside Adobe Express for Box, click the status, then select the status you want to apply.
8. Click Save.

Check out this article to learn more about this integration.