create clipart

You can have a look at Keynote, that is free because it is included in macOS.

Create your first presentation in Keynote on Mac - Apple SupportOfficial Apple Support › guide

Based on what you need / want it could be sufficient to do the job.

Ralf

Have a browse on the Mac App store. You will find a multitude of clipart apps, many of them inexpensive. You might find an excellent one that suits your needs for very little cost.