How to link multiple purchase orders from different vendors to one sales order in Odoo 18?

Question

Hi,
I'm using Odoo 18.  I selected the *Replenish on Order (MTO)* and *Buy* routes for a product . When I create a sales order, I see a *Purchase Order* button, and it creates a purchase order as expected.
But I want to buy the products from multiple vendors. So I *duplicate the purchase order*, change the *vendor*, *quantity*, and set the *Sales Order number in the Source Document*.
However, when I receive the products, the *duplicate purchase order is not linked to the sales order*. Is there a

Cybrosys Techno Solutions Pvt.Ltd · Answer

Hi,
Yes, purchasing products from multiple vendors through a single sales order is possible in standard Odoo 18.
To achieve this, you need to properly configure each product with its corresponding vendors, quantities, and prices.

1. Configure vendor, quantities, price, and routes in the product

Example:
*Product A*
Routes are set as MTO and BUY in the inventory tab of the product form view.
Image [1]

*Product B*

Assign a different vendor for product B
Image [2]
Set Routes

Image [3]

2. Crea

Dhrumi (Wan Buffer Services) · Answer

1. *Use MTO with Buy Route*
Configure product with:

Route: Make to Order + Buy

Vendor: Assigned properly

Odoo will automatically create separate POs per vendor when SO is confirmed.
2. *Link POs to SO Manually or via Custom Module*
Create a *custom field* (sale_order_id) in purchase.order.

Override PO creation logic or use Studio to manually tag them.

Add a smart button on SO to see related POs.
3. *Reporting & Traceability*
Use *Procurement Group* (created per SO).

All related POs will s

Se marcó esta pregunta

1. Use MTO with Buy Route

2. Link POs to SO Manually or via Custom Module

3. Reporting & Traceability

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