Like all scheduling Fiori apps, Schedule Purchasing Jobs Advanced app also needs an authorization object to list available jobs that can be created. For example, the app Schedule MRP Runs needs the following ones:
But Schedule Purchasing Jobs Advanced, I couldn't find any official document that mentions the required authorization.
PS: For clarification I am only talking about the specific authorization object, that will populate the job list. Otherwise app is working fine. Don't give me suggestions about OData or standard Fiori authorizations.