Purpose of batch jobs used in Axapta

1.Journalize finalized product receipts Batch job
Purpose of this batch job is to clear out receipt accrual balances when there is a difference between Purchase order receipt and Purchase order invoice.

2.Change based alerts Batch Job
When you set change base alert on field then notification generated on ax system for that activity of notification this job used.

3.Email distributor batch Job
Its used to send email,on which parameter set through alert and also used to send email notification for workflow.