Activating Scheduled Changes to Material Master Records 
Use
Scheduled changes to material master records must be activated manually. They are not activated automatically.

When you activate scheduled changes to material master records, the following objects are also activated:
Procedure
The initial screen appears.

To save you effort, you can create a variant so that the system performs this job daily at a specified time. You do this as follows:
Result
The system selects all the change documents with the corresponding material(s) and date(s) in the header and updates the changes in the relevant material master records immediately. It creates a new change document, and informs you that the scheduled changes have been activated.