Can my hotspot work for my smart TV

Hotspot, VoiceMail (Visual or Normal) all are Carrier Specific features. Contact your Carrier (Cellular Service Provider), the agency that issued the SIM / eSIM to you.

Depends on the TV model that you have. Few answers for Samsung How do you connect a Samsung TV to an iPhone hotspot?

I’d say, go for it. 🥳

Once I connected my iPhone hotspot to my wireless printer (and it worked perfectly).

You have nothing to lose! 👍🏼