Quick question, although I think the answer is no.
Can Snow License Manager identify users whom have admin rights?
I know that this can be customized using an additional PowerShell script in the Snow Inventory Agent that extracts the list on each computer and fills a customized report/custom field to show all the local administrators.
have a look at this discussion, there is more explenation and also a powershell code Snippet regarding local admin rights.
Retrieving data ...