How to turn of hotspot on iphone 14pro

Hotspot is carrier specific feature --> Contact your Carrier (Cellular Service Provider) The agency who issued the SIM to you

Click --> If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi

See the Pic below the Hotspot is made available based on the Mobile Data selected and the feature that is enabled by the Carrier

Who granted the hotspot access on that device (Oculus)? Please see the pic below.