I need to interview a parole officer this is my question's. What do parole officer actually do and how it differs from what you thought you would be

I need to interview a parole officer this is my question's.What do parole officer actually do and how it differs from what you thought you would be doing when you started working? What are some problems you had to overcome and what recommendations do ou have for someone thats just starting out in your field of parole officer?