Will pen input from a Wacom work with Powerpoint?

I'd like to be able to annotate Powerpoint slides using Powerpoint's pen tool during a presentation. Right now I use a tablet PC for this, but my main computer is a Mac (Air). Will adding a Wacom tablet give me the same capability as my tablet as far as Powerpoint goes?

Wacom Bamboo Capture Graphics Tablet

Wacom Bamboo Capture Graphics Tablet

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