In our modern life, we don't think of the word innovation as having anything to do with personal development. Mainly, because it's tied to the world of business.
However, the word itself means to renew, and that's a pretty good definition of personal development in my opinion.
In other words, there is no problem in using the frameworks and tools of innovation for our personal development.
On the contrary, it actually makes good sense, since there is a lot to learn from the craft of innovation, which can be used for improving our personality and the way we use it.