https://help.sana-commerce.com/sana-commerce-v75/configuration/paypal-payflow-link-psp-module/configure-a-test-paypal-payflow-link
Configure a Test PayPal Payflow Link Payment Module
paypal payflow linkpayment moduleconfiguretest
https://tribulant.com/docs/tag/wordpress-paypal-payflow-link/
WordPress PayPal Payflow Link Archives - Tribulant Documentation
Tribulant, premium WordPress plugins documentation for installation, configuration and usage instructions
paypal payflow linkwordpressarchivestribulantdocumentation