sales order generate purchase order

Which module will generate purchase order automatically when sales order is created?
I don’t carry inventory. When I receive a sales order, I need Dolibarr send out a purchase order automatically. How do I do that?
Please help. Thank you so very much.

Hello

Hope this helps https://www.dolistore.com/en/crm/380-Supplier-orders-from-customer-order.html

Hi! any updated suggestion about this mater? thanks!