The staple holes are so small you likely don't need to fill them in. This is designed in/for Japan where most apartments have this weird soft textured wallpaper

The staple holes are so small you likely don't need to fill them in. This is designed in/for Japan where most apartments have this weird soft textured wallpaper that hides the holes quite well. But if you drilled bigger holes in a rental, you would definitely be charged a lot when moving out.