If you want to check which EPM policy has been applied on a server/computer, then you have 2 options :
Option n°1 :
Open the EPM client and select “About” option.
Next, you can find many informations and at the bottom you will see Policy Name. In my case, I have 2 policies applied :
Option n°2 :
Open the registry and go to : “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CCM\EPAgent\LastAppliedPolicy”
You can see the 2 policies applied :