Confirmation needed on design compliance feasibility for credit card integration in Fusion AR

There are three upstream systems (for sales order processing) with in the United States.

Out of three, one ordering system is connected to Fiserv as their payment gateway to process credit card payments whereas other two systems are integrated with other payment gateways for credit card payments.

In this business scenario, when Oracle is enabled to use out of box functionality for Credit card functionality for the US,

1. Can we process sales orders and receipts as OOTB credit card transactions from the ordering system which is connected to Fiserv

And

2. Process sales orders and receipts as non-credit card standard transactions from the ordering system which is not connected to Fiserv