Yes we do! please take a look at this Shopify store. http://wholesaler-10.myshopify.com/
If you want to have the customer/visitor vs wholesaler experience, you just need to login at this store using the following credentials which are for a "fake" wholesaler.
MERCHANT ADMIN EXPERIENCE
If you want to see wholesaler backend, you can access this store admin by going here:
Considering this is a test store and we don't control who accesses the backend, there might be some changes done by someone which we don't control. If you feel there's something missing, please ping us and we'll take a look in order to update whatever needed.