If you do a SEARCH, you will find many threads on this. The longest runs to about 200 pages. So if you have a rummage, you should find the info you are looking for.
However, if you read the Libre small print, it states that Libre readings are not considered acceptable for pre-driving checks, or for calculating insulin doses.
My experience of the Libre is that I love it, and it has improved my diabetic control and my confidence in that control. But I am not an insulin user.