I reached out to Nasser with our Customer Support team. He provided the following guidance:
The user can find the documentation to answer these questions from Connect or the Help menu within the application. The following link should direct them to all of our documentation: https://knowledge.ariba.com/doc_at_ariba?doc=Buyer&ut=e&portal=HAA&ft=AribaContentProfessional
The “Groups and Notifications Reference Guide” will discuss all of the groups and their functions. There is a section specific to catalog tasks/management groups. It will also contain information on requisitioning groups. The “Catalog Administration Guide for Buyers” is also a good resource for how to perform the tasks relating to catalog management.
Regards,
Debbie Curtis-Magley
Ariba Exchange Community Manager