Agency payment would not affected to the device configuration.
As per general, the user add devices.
1. These radio buttons determine if the Account is linked to the Parent Entity's Gateway accounts or if the Account will have it's own Gateway accounts.
2. If the "Link to the Parent Entity's Gateway account(s)" option is selected, display all gateways used by the parent entity being shown as ticked/ selected.
2a. Clicking on the view button should open the Payment Gateways slider menu in view mode.
3. If the "Link to an existing gateway account" option is selected, display the Gateways where the accepted Country matches the country the merchant is located in.