Registering devices with Intune for management and policy enforcement
Hello Jonathan Tee,
The previous answer covers it all in detail, but here is an additional guidance. In short, managed apps will show the apps that are assigned to the device with the status of whether it is installed or not installed or available.
Hope this helps!
If you found the information above helpful, please Click Yes. This will assist others in the community who encounter a similar issue, enabling them to quickly find the solution and benefit from the guidance provided.