What does the phrase 'get stock' mean?
On the other hand, our suppliers probably find it easier to GET STOCK to us, so I suppose the move has benefited them.

Question

Answer

In this case, the word stock is being used as a noun.  It means that the supplier can get the product they supply to the company easier.  Stock is being used here as the goods or merchandise kept on the premises of a business or warehouse and available for sale or distribution.