Releasing Enjoy Purchase Orders
Use
Authorized persons can use the Enjoy functions for document release to display a purchase order and then use their codes to effect release without switching transactions.
Prerequisites
The following prerequisites must be satisfied before a purchase order can be released:
A release strategy for purchase orders must be defined in Customizing for Purchasing under Purchase Order ® Release Procedure for Purchase Orders ® Define Release Procedure for Purchase Orders.
If you have activated Version Management in Customizing for Purchasing under Version Management ® Set Up Version Management for External Purchasing Documents, the version of the purchase order must have been completed.
Features
As the person authorized to effect release, you can display the current version of a purchase order in Release Purchase Order (ME29N). On the basis of this information, you can decide whether to release or reject the purchase order.
Release Purchase Order
If you are happy with the purchase order as it is, choose 
Release on the Release strategy tab page in order to effect release with your release code.
Clicking the 
button enables you to cancel a previously effected release with your release code in Release Purchase Order (ME29N).
Reject Purchase Order
If you are not happy with the purchase order, you can reject it by clicking 
Reject on the Release Strategy tab page.
The buyer must then cancel the rejection in Change Purchase Order (ME22N) by clicking 
on the Release Strategy tab page. The buyer can then process the purchase order again.
Clicking the button enables you to also cancel the rejection in Release Purchase Order (ME29N).