PSE Management Not Appear in Web Dispatcher Administration Interface

Dear experts,

When I access Web Dispatcher Administration Interface URL using web browser(IE,Firefox), I could not find PSE Management option:

http://host:80/sap/admin

https://host:443/sap/admin

I could only view PSE Management Option in SAP MMC

Could you please help?

Thank you.

Regards,

Fadzly Iqbal