Some people experience that the screen size on TV doesnt fit, you could try to adjust the display setting on your console or aspect ratio on your TV to fit the TV screen.
To set the display area of the game screen to match the TV screen, select (Settings) > [Sound and Screen] > [Display Area Settings].
- Press the Xbox button to open the guide.
- Select System > Settings.
- Under Display & sound, select Video output.
Select Resolution, and then select either 720p, 1080p, or 4K UHD, whichever is best for your TV.