Office 365 'tenantname' property doesn't work with the actual tenant name

Also to add here... 

According to the documentation the user account roles should be:

However, the DS below doesn't work only with those perms:

I had the need to add the role 'SharePoint admin' in order to make it work

Tried all the 'Reader' roles & none is able to make it work  

Is there any other way to have it working without the need to grant 'Admin' privs to the user in context?
This is very important to us because we've clients that will not give us those type of privileges (100% sure).

Please advise here folks.

Regards,