To access cases in SAP Service Cloud V2, thebusiness service casemust be assigned to abusiness role. Business roles define the permissions and access rights for users, including access to specific objects like cases. According to SAP documentation, "Assign the business service case to a business role" is a critical step to ensure users have the necessary permissions to view and manage cases.

Creating access rights for read mode(B) is not a standard configuration step for case access.Assigning the employee to a case type(C) is related to routing, not access.Assigning access rights directly to the user(D) is not supported, as access is managed through business roles.