Can it adjust valves in a 99 oldsmobile intrigue 3.5

In a word, no.
Your car has "hydraulic" lifters, and are not adjustable.
If you have a lifter that is "clattering" which would make it sound as though it needed adjusting, likely the problem is a hydraulic lifter, or the camshaft, or that a connecting part that has failed.
That part, whichever it is, needs replacement.
It is probably that the failed part, when matched with a new one, is easy to see it has worn down or worn out.
Some Oldsmobiles also had a problem with "noisy" lifters as a result of sludge in the engine from insufficient oil changes.
If this is your problem, get an additive for the motor oil that will "wash" the inside of the motor.
That will also require several oil changes and oil filters in the "cleaning:" process.
God bless your efforts.