Avoid creation of zero quantity invoice lines from purchase
Odoo 12's Purchase Order Note and Section
Add Multiple Products on Purchase RFQ
Can use only selected products to invoice as well as bills.
Sales Order as Logistics Order
Show product price in purchase order line
Allows to manual currency of Purchase
Make invoices for all ready purchase orders
Purchase Order Line Template
This module allows you to select Multiple product in purchase order at a time on single click.
Create purchase request