This blog is about how to create purchase order from sale order.You might be thinking about why to do this.
Let's take an example to understand this situation. Suppose you are selling laptops and you don't keep stock of the same product. You will buy same laptop from vendor only when you have sale.Such scenarios can be implemented with this type of order-creation.Let's see how to do this in odoo
Go to the sales module → products.
Select or Create product for which you want to create purchase order from sale order
In our case let's take the product 'Asus Vivobook'.
As shown below in Inventory tab, ticks option 'Buy' and 'Make to order' then select vendor from purchase tab of product.
In vendor list you can add multiple vendors.When the system generates a purchase order it will consider the first vendor in the list by default.
Now create a sale order for product by clicking on 'create' in quotation.
Select product add quantity and save it.
Confirm it by clicking on clicking the confirm button on top left status bar.
You will see screen as below.
When you click the Delivery button highlighted above you will reach on screen as below.
You can see there, the delivery is waiting for 'another operation'.
That another operation is Purchase order that is automatically generated while you created sale order.You can check it in the Purchase module.