Tutorial - OE/PO Trade using Account to Account

If one company in a group of companies purchases goods from another company in the group, then you can configure an Vendor in the first company, and map this to a customer in the second company. When any purchase orders, purchase receipts and purchase invoices are entered in the first company, these documents can automate the sales order, sales shipment and sales invoice in the second company. 
When you have a scenario where one company is trading with a second company in the group, and for every Purchase Order created in Company SAMLTD, you want the corresponding Sales Order to be created in SAMINC, you can configure IY Trade as follows : 
Tip: You can refer to the IET Trade OE/PO Setup Visual Process Flow.