Vinyl cannot be blended like paint. If a door is damaged, the door and the panel next to it may need to be wrapped so the side of the vehicle looks right. If a rear door is damaged, the rear door and quarter panel may need to be wrapped together.
Bumpers can usually be wrapped by themselves. Hoods can usually be wrapped by themselves. Side panels need more planning because the color and finish have to look correct from one panel to the next.