
1 - Set up an intercompany account and create the orgnizational hierarchy for centralized payments
2 - Map vendor accounts across all legal entities
3 - Set up posting profile for centralized payments
4 - Set up mpthods of payment for centrolized payments
Reference:
https://docs.microsoft.com/en-us/dynamics365/unified-operations/financials/cash-bank-management/set-up-centralized-payments