@Chris Clayton (STLCC) ,
Yes you are correct . This exactly means that you do not have any applications which are using the old Azure AD graph API . It will be visible always when you check via this script . It is designed to check service principal permissions and it will be able to find the applications which are using graph API . You have already run this under a user with Application administrator and did not find anything which means you do not have any such app however you can run it again under any user with Global administrator privilege and that will give the script maximum access to find anything within the tenant . However that is not specifically required but will be more like a peace of mind. If you do not get any application as the output then that is perfect and you do not need to worry about anything .
Hope this helps . Should you still have any query on this , do share the details . Please let us know and we will e happy to clarify further . In case the information provided is helpful , please do accept it as answer for improving the discoverability of this question in order to help other community members .
Thank you .
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