iSolutions Partners covers an often overlooked feature in GP: Dynamics GP Additional Vendor Accounts. Find out more at www.isolutionspartners.com/2019/04/05/dynamics-gp-additional-vendor-accounts/
Dynamics GP Additional Vendor Accounts – iSolutions Partners
Payables & ReceivablesMicrosoft & the GP Ecosystem
Archived post from 2019. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.