Answer: Please see answer below as it's self-explanatory
Step-by-step explanation:
A slide show created in Power Point, gives you as a lecturer, the choice to add animations, transitions effects, even to include videos within slides, so allows you to be really creative.
Moreover, it gives you the option to control the pace of the presentation matching your needs and those of your audience at the same time.
Saving the slide show as a PDF is only recommended when you need to send a presentation by e-mail, due to the recipient will always be able to see it, as PDF format is truly universal.