1. SAP Ariba Help Portal: Supplier qualification and preferred category management guide
Section: "Viewing preferred category status": This section details how users can navigate to the "Preferred" tab in the supplier 360° profile to see a list of categories for which the supplier is preferred, along with the current status, start date, and end date. This directly supports answer C.
Section: "Requesting preferred category status": This section describes the process where authorized users, such as category managers, can initiate a request to grant a supplier preferred status for one or more categories. This workflow is a key action in the preferred area and supports answer D.
2. SAP Ariba Help Portal: About preferred supplier category status
This documentation overview explains that the feature allows category and supplier managers to "track and manage preferred suppliers for specific categories." It outlines the lifecycle from request to approval and expiration, reinforcing that viewing status (C) and requesting changes (D) are the central activities. The document does not mention launching sourcing events or running cross-supplier reports as a direct function of this specific area.