Access accesssories when out side

Hi , I have some switches that have been added to home assistant , I have integrated into the homekit , i added home pod to homekit , how do i access them when i’m out , thanks

Set up remote access.

The (paid for) Nabu Casa service handles this without port forwarding, or you can set up your own for free.

thanks , when use remote access , i can control all device on app home ( apple ) when i’m out ?

I don’t use Apple, but you can certainly control everything using Home Assistant.