In this console, user groups are mainly used for the purpose of access control. In order to assign a role to a group in an external directory such as Azure AD, the group has to be imported and saved locally.
Navigate to "Groups"
Click the "Import Group" button
Select the directory ("Identity Source"), e.g. Azure AD - Deepnet
Select the group from the directory, e.g. "SafeID Token Service Admin"
Click the "Import" button to import the group