Hello,
What is your current setup for obtaining user-id information? For example, if you have the Windows/PAN-OS user-id agents setup to poll your DCs or a read-only DC, the most obvious way a renew happens is when the clients do a gpupdate (which I believe the default for that is 90 minutes +/- 30), that generates a login event as far as the DCs are concerned which refreshed the mapping. You would also set the frequency that your user-id agents poll the servers.
You can also obtain user-id mapping via GlobalProtect, either connecting do an external or internal gateway, where that generates refreshes more frequently based on if the client is active or not. You could also obtain user-id via an API, possibly from your enterprises NAC.
Each of those sources would have their own user-id timeouts, and each have some pros and cons so you could use a combination of them.
But also I dont believe this is relevant to that NIST control. The way Im understanding that is terminating inactive/dead sessions, which would be configured under Device>Setup>Session>Session Timeouts
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