Go to Orders > Order Settings. You can customize your payment terms here. if the domain has enabled online payment selection, you will see 'Payment Settings' tab. Under that there are 2 sub tabs:
- Payment Terms & Methods
- Payment Gateway
Under Payment Terms & Methods, seller has a choice to turn on this feature by selecting the check box for this option. This screen allows selecting the Payment methods & terms when buyer place order & when seller places an order on behalf of buyer. Options available are ones provided by domain admin.
Payment Gateway allows users to set up online payment gateway which allows setting up using Authorize.net, Paypal Pro or Stripe.
Seller can choose only one of the gateway set up. Once the payment gateway is set up buyers can purchase the products using credit/debit card transaction.