Add A "page" For Vendors To Fill?

Is it possible to add a page similar to those shown in the storefront so that I can let vendors fill a form that consists of pick up date/time plus other text fields to be filled on a per order basis?

My purpose to make it so that once the customer has purchased the product vendors get the opportunity to fill the information specified above for this order specifically.

I was thinking i could build a form on the storefront, set it as hidden and change the code so that this form is only shown to the actual vendor if he is logged with the vendor credentials. But these credentials are separated from the storefront and the vendor area. So I wanted to know if there is a similar feature but for the backend (vendors area).

Unfortunately there is no similar feature for the admin panel. Additional code modifications are required