How to show Sub Identity Approval procedure on the Main Identity WEB Portal?

We use Main Identity and Sub identity.

The main Identity login into the Web portal and create a request on behalf in the Sub Identity.

In this case the calculated Approval decision the Sub Identity Organization Manager.

But we would like to show this Approval Procedure on the Main Identity of the calculated Sub Identity.


Could you help me how is possible?

Any kind of suggestion or method?


Thank you and best regards