The pie graph created will be flat so you will have to follow the article to see how to make it a 3D pie chart. To create the pie graph go to the left tools panel and click on the Pie chart tool.

While 3D pie charts are problematic, one example where depth cues have been proven to help is network diagrams.

Each slice displays a different color because, by default, pie charts are patterned by midpoint. Because the default outline color is also the first color in the list, the example uses the COUTLINE= ...