Limit different user roles to shipping methods

WooCommerce Role-Based Manager extension gives site administrators the ability to individually limit available Shipping Methods and
also allows administrator to set shipping methods price based on user role for each shipping method

Additionally, site admins can now customize methods and gateways available to customers checking out as WooCommerce ‘guests.’ When using custom roles, The WooCommerce Role Based Methods extension makes it easy to taylor shipping methods and payment gateways for customers large and small.