Create business units
Assign the appropriate seats to one of the business units that you created or to the default business unit.
To create a business unit and assign organization seats:
From DigiCert® Trust Lifecycle Manager, go to Account > Business units and select Create.
Enter the Name of the business unit, select the seat type and allocate the required seats.
Select Create.
When you have a business unit, create a certificate profile for SAML IdP authentication via Microsoft Azure.