Not necessarily. He might not be into the whole stories thing in general. Some people prefer direct communication rather than checking stories. It doesn't directly imply disinterest.
He could be really busy. If he has a lot on his plate, he might not have the time to check out your stories. For example, he could be swamped with work, schoolwork, or other personal matters.
It could be that he's not really interested in that kind of content or doesn't think it's relevant to him. Or perhaps he didn't even notice that you shared the stories.