Connect your iPad to your computer and open iTunes on your computer.Check them to learn detailed guide on how to transfer PowerPoint to iPad tablet: The below steps is about transferring PowerPoint to iPad from your computer with Keynote and iTunes.
No matter you adopt iPad PowerPoint viewer or make use of PowerPoint to video converter, you need to transfer PowerPoint to iPad tablet before you could view PowerPoint on iPad tablet. Part 3: How to Transfer PowerPoint to iPad for Viewing PowerPoint on iPad
For detailed information on how to transfer PowerPoint to iPad, please read the below part.
When the conversion is finished, what you need to do to view PowerPoint on iPad is transfer PowerPoint to iPad tablet.