Using the left nav nav select Engagement Hub > Courses and drop down the page heading for Training Documents.
A new document can be uploaded in the top right corner next to Courses (selected by default)
Ether drag your document or click the box within the modal to select your document.
Click the Submit button within the modal and your document will begin to upload.
Your training documents will appear in a list on the page in alphabetical order. Once uploaded a document can be deleted by clicking the trash can at the end of the list item.