Personal fuel is personal fuel, it’s one of the benefits. However my friends fuel card does not work abroad, so fill up in dover and return home empty.
You’ll need to speak to fleet to get relevant paper work, you get a temporary v5 and insurance papers, I had to pay £11 for mine, I drovero the alps 3 times in the last 6 months and they can not say anything. My company also provided European breakdown, and I still get a hire car out there if anything goes wrong.