Is there a way to do it where you click 'more info' on an element and it opens a kind of pop up box with text in?
You can use the popup shortcode. You can see how it works, and copy its structure from the following link:
Or you can use the shortcode generator from the Column Text element.
This is exactly what I wanted thanks
Is there a way to get a text box to open on hover instead of click?
No, unfortunately, we do not have such an option.