Depends.

You have pedophilia as in the part of their brain that identifies viable sexual partners is malfunctioning, they won't act on it, but are attracted to children. I'd argue they don't need reformation as it's not the attraction that's the problem to society, it's acting on it. I'd imagine it's a hell of a bad place to be, but they do exist, and there are attempts to help people before they go over the edge. This is where you get the 'attempts to destigmatise' that some people wildly grab the wrong of the stick on.

But then you have those that act on it...well it involves ignoring consent, ignoring knowledge that it's wrong, and going out of your way to deliberately abuse a child....basically there's so many fucking steps they have to consciously take that outside of some pretty severe mental health issues they're irredeemable removed that decide nothing matters past what they want and need to be fired out of a cannon into the sun.