It is possible for their paw pads to get dry. If you don't take care of it, they could possible start cracking and become very painful for your kitty.
The easiest way to take care of it is to buy some Bag Balm and rub it on her paw pads everyday. Bag Balm is used on horses, humans, dogs, cats, etc. with dry and cracked skin. It was originally formulated for horse hooves.
It's inexpensive at grocery stores or pharmacies.