Hello, is ARS supporting SAML token for delegations or can it only be used for ARS website access?

We continue to see the error described here support.oneidentity.com/.../error-unable-to-uniquely-identify-the-user-using-provided-claims-federation-authentication-with-azure-ad

Our on-prem UPN and AzureAD UPN are different, so we are using the feature…