If you need to view any trade agreements for purchased products by Vendor in D365, follow these directions.
First open D365 and navigate to
Accounts payable >> Vendors >> All vendors
This will open the All vendors grid page.
Find and select the Vendor you wish to inquire into.
In the Ribbon menu at the top, on the Procurement tab, choose "Trade agreements"
This will open the View trade agreements page and show you any Trade agreements that would apply to the vendor you selected.
(Some trade agreements are entered by product for All vendors, so you may see some trade agreements that may not be for products purchased from this particular vendor.)