. Neither your caster angle nor your camber angle is adjustable without aftermarket parts so without those, only your toe-in is adjustable.
This statement is not entirely true. If your TJ is an erlier one, it will have cam bolt eliptical washers and slotted mounts on the axle side lower control arm mounts to adjust the castor. Later TJ/LJs are the ones that require a kit to add these parts.
However, if you have installed aftermarket adjustable upper and/or lower control arms, you can change the lenght of the arms to adjust castor.
Note:
Making changes to castor will also affect your toe adjustment so ALWAYS MAKE CASTOR ADJUSTMENTS FIRST. Then toe.
If your camber numbers are out of spec it's either due to worn components such as severely worn or damaged ball joints or you have a bent axle housing or inner knuckle C. Straightening or replacing your damaged front axle housing and any worn ball joints can correct your camber numbers that are out of spec.