Whatever the device you use for getting your information out, it should be the same information.
In discussing the process with the actors, I made it clear to them that they could improvise but that the sum total of their improvisation needed to impart certain plot points, and schematic material.
I turned down a scholarship to Yale. The problem with college is that there's a tendency to mistake preparation for productivity. You can prepare all you want, but if you never roll the dice you'll never be successful.