Lineart as a pose?

So this has been on my mind recently and I was just wondering if free lineart could be used as a pose?

For example, this little guy here.
astro-dog.deviantart.com/art/Free-To-Use-Lineart-462643164

It doesn't state anything about it not being able to be used on other sites other than DeviantART, so I'm just curious :D