You can build your storefront with SFRA and the plugin_commercepayments overlay plugin, and then configure Commerce Payments in Business Manager to integrate your Commerce Cloud instances with the Stripe payment platform.
For Stripe's terms of
service with the SEPA payment option, replace [the seller] with
the appropriate name in the sepa_debit.message.mandate key name
entry in
plugin_commercepayments/cartridges/plugin_commercepayments/cartridge/templates/resources/salesforcepayments.properties.
See SDD Core Mandate Translations for information on the SEPA Direct Debit (SDD) Payment mandate.