You can upload PDFs to a group page in Canvas.
Open Pages
In Group Navigation, click the Pages link.
View Pages
Pages is designed to open to the front page for a group, if there is a front page selected. Click the View All Pages button to select a page from the Pages Index.
Open Page
Click the title of the page you want to edit.
Edit Page
Click the Edit button.
Select PDF Location
In the Rich Content Editor, place your cursor where you wish to insert the PDF document. You can embed previously uploaded documents or upload new documents.
Verify PDF Upload
Verify the placement of the linked file. The text will turn blue indicating that the link is downloadable.
Save Changes
Click the Save button.
Preview PDF File
View the PDF file by clicking on the file name.