Thank you for posting this in Microsoft Q&A.
I understand that you are looking for a way to manage EntraID - Enterprise application - consent and permissions - Admin consent settings via PowerShell.
Yes, it is possible to manage the EntraID - Enterprise application - consent and permissions - Admin consent settings via PowerShell.
Update-MgPolicyAdminConsentRequestPolicy
it updates the properties of an adminConsentRequestPolicy.
For your reference: https://learn.microsoft.com/en-us/powershell/module/microsoft.graph.identity.signins/update-mgpolicyadminconsentrequestpolicy?view=graph-powershell-1.0
We can manage Admin consent settings via Graph API : https://learn.microsoft.com/en-us/graph/api/adminconsentrequestpolicy-update?view=graph-rest-1.0&tabs=http
Hope this helps. Do let us know if you any further queries.
Thanks,
Navya.