I'm not familiar with the TizenOS that Samsung uses, you can check for tiny camera pro, ip cam viewer, etc to see if it's in the app store.
If you are only going to do live view and don't care about recording, viewing from a browser is ok, but I have yet to use a browser long-term (several hours) at a time and not sure how well that would work. Note that if it choppy still when wired, check your camera settings and increase frame rate to at least 15fps and your I-Frame should match your frame rate.
As for using a DVR/NVR, yes you could do that and connect it up to an HDMI port. Just remember that the brand of a DVR/DVR may need to be the same brand of camera (i.e. Dahua, Amcrest, etc. cams may work with a Dahua NVR, Hikvision cams may not).
Another way is to use a computer via browser or with NVR software on it, like Amcrest Surveillance Pro,
BlueIris (most popular here), etc. Or a Raspberry Pi 4 with MotionEyeOS, etc. Check out the
Wiki here (on top of page), along with videos on youtube.