Procurement links to Ecommerce.
Many large scale purchasing businesses run procurement systems to help them refine and select the best products and raw materials for production.
These procurement systems generate PO numbers and these in turn are passed to the supplier to fulfill the orders.
Procurement systems like Ariba, Sciquest, Unimarket and Coupa to name but a few can now be linked to your ecommerce platform directly. This means you push your product in realtime to purchasing managers and receive orders direct from your customers procurement systems.
Imagine not having this in place and missing out on large lucrative orders.