Export it to the temporary Items folder and then there will be no file that you need to delete. Your OS will delete it for you.
Set Variable [ $Path ; "file: & Get ( Temprorarypath ) & "Temp.PDF" ]
For more on using $Path variables, see: Exploring the use of a $Path Variable in Scripts
Whatever they are paying you (whoever they may be), it is clearly not enough
They "pay" me in t-shirts and free software. (Not kidding) As I am a volunteer--not an employee of the company.