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

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I could only view PSE Management Option in SAP MMC

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Could you please help?

Thank you.

Regards,

Fadzly Iqbal