ARBCIG_OB_VENDOR table importance or use over ARBCIG_AN_VENDOR table

Hello Experts,

What is the use of Activate Additional Outbound Messages for Specific Vendors ARBCIG_OB_VENDOR table for DSN flow ?

As i understood ARBCIG_AN_VENDOR is required for the outbound message like GR,ISU, ERP-SES, Payment proposals to trigger, where this extra message type - vendor - company code filter/check will help ? Is it for extra SCC interfaces like Qualitynotification, Product activity etc messages to work as well ?

Can someone please help to provide details on usecase or when this OB table will be helpful or needed to be configuration ?