Navigate to your desired course
On the left sidebar of the Admin Dashboard, select My Courses. Select the course that you are looking for.
Next, click Add Content and then PDF.
Next, name your lesson and upload the PDF file.
Note: PDF files are not typically optimized for web viewing. We limit PDF lessons to 25MB to provide the best viewing experience to your students, who may be accessing your course with slow internet connections or mobile devices. For delivery of larger files, use the "Downloads" lesson type instead for large file delivery!
A good best practice for longer PDF documents (ie: ebooks) is to break them into multiple PDF files based on lessons or chapters, rather than one large document, and to compress files prior to delivery using a tool like smallpdf.com. You can then add discussions, quizzes, and other content items to turn your ebook into a fully interactive course.