i signed up for voc. rehab myself on two separate occasions. once, in the summer after graduating high school via the advice of my counselor, and again the following summer. i never got very far in the "process" either time, the first time they had to suspend my file before i even started receiving any services, because they were unable to contact me. but they were able to send mail to me...
they asked for my IEP file from high school then, it's possible they may ask you for some school related documents to help determine eligibility for certain things/programs but perhaps the process varies by state (i'm in california), and you are a fair bit older than me.
the second time went more smoothly, i started going to those weekly appointments which i think you're referring to. at first we worked on stuff like identifying our skills, strengths and weaknesses, how to make a good impression on an employer at an interview and how to ask questions in those situations...i would expect those kinds of things when you go next week. beyond that, i haven't a clue as i eventually landed a job (on my own) that summer, and i didn't have time to keep going to the weekly meetings there anyway.
they might eventually contact some employers whom they believe might have a job suitable for you, but it's up to you to follow up with them. this is after having gone to meetings for a while, and they know you.
well, good luck....let us know how it goes. 
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