Once he won his first PGA Tour event in 1996 he got a two year PGA Tour exemption.
X Stiff would be standard for a PGA Tour player.
Their is a different amount of people on the PGA tour each year. You have to go through a certain test to get a licence to play golf on the PGA tour.
Yes you can.
If you win a major championship you get a 5 year exemption. If you win a PGA Tour event you get a 2 year exemption. You can finish in the top 125 on the PGA Tour money list, and this allows you to keep your status for a further year.