You need to have one or more worksheet columns to create such graph, except Split Violin.
For Split Violin, you need to select at least two columns, and last column should be contains 2 categories only.
Violin with Box
Violin with Point
Violin with Quartile
Violin with Stick
Violin Plot: Violin.otpu
Violin with Box: ViolinBox.otpu
Violin with Point: ViolinData.otpu
Violin with Quartile: ViolinQuartile.otpu
Violin with Stick: ViolinStick.otpu
Split Violin: ViolinSplit.otpu
Half Violin: HalfViolin.otpu