Many people within the WWE are high on Charlotte being brought up to the main roster, but some backstage officials are against that idea.
The reason given by these people who are against Charlotte being on the main roster is that they have a view of how a WWE Diva should look like, and that is a kind of supermodel image, and Charlotte doesn’t belong in that class.
Although, Charlotte would be brought up to the main roster soon, and this might happen sooner than thought given the fact that she lost her NXT Women’s Championship at NXT Takeover: Rival.