Hi,
You could use the powershell cmdlet Get-ClusterAccess
.
It gets information about permissions that control access to a failover cluster.
For more details you could refer to this link
https://learn.microsoft.com/en-us/powershell/module/failoverclusters/Get-ClusterAccess?view=win10-ps
Best Regards,
Ian
----------
Please remember to "Accept Answer" and upvote if the reply is helpful.