Since I don't have your CV in front of me, I will ask you about some details. It's important for us that you be able to communicate with all the staff without any difficulties. I would like to know if you have a driver's license valid for France?
"I don't have your CV in front of me, that's why I want to ask you some questions. It's very important that you would be able to communicate with all staff without any difficulties.I would like to know whether your driving license is valid for France." - this is how it should be.
Original form of translation before edits:
Since I don't have your CV under my eyes, i will ask you some details.
It's important for us that you can comunicate with the whole personnel without any difficulty. I wanted to know if you had a driving permit valid in France.