Hi,
When printing a Purchase Order, Odoo often uses a single report template (purchase.report_purchaseorder) for both RFQs (Request for Quotation) and confirmed Purchase Orders. This report dynamically changes the title between "Request for Quotation" and "Purchase Order" based on the status of the record.
However, sometimes the status isn't properly updated on the printed report due to caching or incorrect state evaluation, especially when the purchase order has just been confirmed.
For printing RFQ, you can follow the image below.

It results,

For the purchase orders,

It results,

Hope it helps
I am having the same problem. Have you been able to solve your problem? What was the solution? I cannot find any solutions this.