If you press and hold on the screen an area, the gimbal will rotate to that area.
So you cannot move the gimbal side to side with a controller button or wheel, you can move it side to side by pressing and holding a spot on screen.
But you must have an OOP category drone (Part 107), a waiver (Part 107) or fly under a different part or section (Example Part 91).
Amazon delivery flies under Part 135 and thier ability to fly over people and moving vehicles will be defined and...