Could it work? Absolutely, depending on what you're trying to do.
There are lots of tablets out there. Make sure you get one that has specs to support your software. You may want an industrial rated tablet (to survive bumps/drops, chemicals/dust, etc), but that will cost a lot more than a cheap basic tablet. You also need to consider resistive vs capacative touch. Capacative is what most mobile devices use, which has multitouch capability, but doesn't work well with gloves. Resistive touch screens are only single touch, but you can use almost anything (gloves, screwdriver, whatever). These are almost exclusively found on industrial devices.
How good is your wireless coverage? Do you have one Access Point on top of the PLC cabinet, or will it be full coverage of the entire plant by IT? If you have a bad wireless connection, your user experience will not be good. If you have to go through IT for the wireless, that may be complicated. If you have a small area of wireless coverage, then the tablet won't be very mobile.
Is the tablet the wonderware server, or is it just a client? If the PC tablet is a client to a server somewhere else, probably should work fine. If the Tablet is the server (or just a single station setup), then you need to be extra certain the rest of the setup is good. If you are doing something like logging on the tablet, you need to be sure that it will be always on and always have a signal/connection.
You probably also want to be sure you can get a charging mount for the tablet if you want it kept out by the PLC.
I don't have much experience with wonderware, but I know some SCADA packages now have web views, where you can run a server somewhere and then have web clients, which can run on just about any OS (android, iOS, windows, linux). This might be an alternative option.