social icons on vendors list

@ownyou, thanks for getting in touch with us.

In order to add another icon under the name and location of the vendor list, you need to do some custom code. You can check the reference of our hook/filter here :
https://github.com/wcmarketplace/dc-woocommerce-multi-vendor/blob/master/classes/class-wcmp-vendor-hooks.php

https://github.com/wcmarketplace/dc-woocommerce-multi-vendor/blob/master/classes/shortcode/class-wcmp-shortcode-vendor-list.php

If you need any further help, please do let us know.