After the Sales Order is created it also creates a Purchase Order
Whilst still on the Sale Order tab (at the top of the window)
Click on tab Purchases (next lot of tabs below)
Select that purchase order
Click on Show Transaction to show existing lines on that purchase order for reviewing purposes.
Click on Show In Report (up the very top)
Click on Purchase Order (Head Office Sale) if you are purchasing for an Office National/Office Products Depot/One Net store.
The purchase order previews to screen allowing you to email or email and print this purchase order off.
If you are emailing this, click on the Email button (the envelope symbol)
Click on OK
Click on OK
Click on Save
Creating your own Purchase Orders without a Sales Order creating it for you...
Double Click on Purchasing in the Navigation panel
Click on Orders
Select your Supplier using the Supplier drop down list
Start keying in your products and their quantities
Down the bottom you will see the data associated with that product.
Once you have finished keying in the products for this purchase order click on Save & Close