In general you will need one of the latest, top of the range Graphics Cards if you want to have a more than decent rate of FPS, say 30+. You will also want to ensure your TV is a good candidate for working as a PC Monitor, for this it should support Chroma subsampling 4:4:4.
There is an explanation and sample image you can use to check the configuration of the HDMI port you are using for your PC, on this web site, which was really useful when I was configuring my Hisense 43" (43R6+) which was a nice surprise, as it was one of the least expensive ones I could find at Costco in Canada:
There are some other articles about best TVs to be used as PC monitors as well on this website, in case you anyone is looking for one.
I suppose there will be some other compromises to be made when using a TV, but so far I find it a great experience, for FS 2020 and other games, as well as for coding, and other general activities you would normally use a PC for.