The report lists information according to the Identity Vault where the user records came from. If you have more than one Identity Vault, the records are sorted by Identity Vaults.
User Name: The name of the user account.
Resource: The name of the resource.
Effective date: The effective dates of the resource for the user account.
Entitlement: The name of the entitlement that granted the resource to the user account.
Driver: The name of the driver that granted the entitlement.