This is is perfect for linear based learning courses
Create a course with multiple chapters
Set the lessons in each chapter to be mandatory using Thinkific's "Prerequisite feature"
Create a PowerPop flow for that course where a prize is given for each chapter completed
One pop for each chapter (you will know the progress complete for this because you are using the prerequisite feature)
Use the Overlay or Side Push Power Pop Type
Use the CTA options and link it to a PDF download