We are working with an external logistics provider, that I'd like to use our Odoo system to directly receive PO's. At the moment, we do that for them, but it would be great if they could do that directly in their warehouse, therefore I was wondering if it is possible to use the Portal functionality or if I need to create a full-blown Odoo user for them? Which would also cause security questions, as I would only like them to see their own warehouse, as we have multiple warehouses and suppliers where we'd like to do that.

What is the best way to solve this? Thanks!