From version 14.8 you are able to undock the Elevation window with the additional tabs and make it full screen and even move it to another screen.
Create your elevation views as instructed here.
- Right click in the Elevation window.
- Select the option Undock Elevation Window.
- You can now make this full screen and move it to another screen if required.
- To re-dock the Elevation window right click and select the option Dock Elevation Window.