As a Supplier, enabling this function will allow your Buyers to create 'Self-managed' products and pricing in their account, that they will then manage on your behalf.
To enable this function, please follow the below steps.
From [Dashboard], go to [Customers] [My Customers]. Type the name of the desired account into the search field, and press 'enter' on your keyboard. When the account appears, click on the blue link of the account's name to open the account.
2. In the body of the account, tick the checkbox next to 'Purchaser Preferred Pricing'.
And that's it, good job!