Financial advisor = Sales,most of their fin products are insurance...............
The requirements for education are not high, but you should have strong communication ability..........
Normally they don't sponsor H1-B and no basic salary...............What you earn will depend on your commission, the more you sell, the more you get.
Actually it's not a bad career for Americans, I know some people earn millions dollars per year, but it's not very suitable for us foreign students because you don't have big network.
But I still suggest you attend this interview because you just start to hunt job and it's important to get more information by many ways in the beginning.