Lots of folks in GA lease the hunting rights on their property, but it never hurts to knock on doors and ask for permission to hunt. I have had good luck finding some turkey hunting that way.
GA has some good public hunting land, may be late to enter any lottery hunts this year, but as Mtnman said, go to the GA's website and look for public hunting areas near you.
I recommend a portable tree stand, a climber would be best, that you can pack in for a day's hunt.
A Rem. 700 in .308 (7.62) is an excllent deer rifle.
To find does, find their food source, acorn trees, honeysuckle vines are favorites of southen deer. To find the bucks, find the does.
Scout all you can. Some of the military bases have excellent hunting, be sure to check that option out.