Integration IDOC / EDI between SD and MM.

Dear friends !

This is my scenario.

We have two enterprises at the same instance (two enterprises from same group/holding)

The enterprise one sell products and services to two.

How could I configure (without using abap code) IDOC to create Purchase order to enterprise two , after Sales order been created at enterprise one !?

Could I use IDOC/EDI to receive it automaticaly(at MIGO) when Sales order generates the goods issue ?

Best regards,

Alessandro