SHIPPING & PAYMENT PER CUSTOMER GROUP MAGENTO 2 EXTENSION
Many shipping and payment methods are available for all customer groups in Magento 2. But the store owner wants to allow only some specific shipping and payment methods for a particular customer group. Magento 2 Shipping & Payment per Customer Group extension allows the store owner to enable specific shipping and payment methods per customer group. There are some reasons for that, like high shipping and payment charges, shipping facilities not available at that place, differentiation between retailer and wholesaler customer group, etc…
https://www.cynoinfotech.com/product/shipping-payment-per-customer-group-magento-2-extension/