The Rotate View tool lets you rotate the Drawing or Camera view, the same way as you would do with a real animation disc for increased flexibility. This tool can also be used in the Perspective view.
The rotation angles for the Camera and Drawing views are independent; if you rotate the Drawing view 25 degrees, if you switch to the Camera view, you can use the rotary table in that view and rotate it to a different angle without affecting the settings in the other view.
When using the Rotate View tool, you are only rotating your workspace. You can not changing the actual rotation angle of your drawings. Exporting your project will completely ignore the Rotate View angle.
The Rotate View tool has no options in the Tool Properties view.