Hi Plaban,
You need to go though with the document link provided by Alessandro.
It has all the answers to your queries.
Those four jobs are used to update GRC with the users' and roles' and other details from all the integrated satellite connectors.
Unless you configure the workflow for the email notifications and reminder workflows the UAR workflow will not br established.
Go through the document carefully and understand the concepts.
let us know for any further assistance.
Regards,
Ameet