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You can upload PDFs to a group page in Canvas.
Open Pages
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In Group Navigation, click the Pages link.
View Pages
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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
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Click the title of the page you want to edit.
Edit Page
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Click the Edit button.
Select PDF Location
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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
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Verify the placement of the linked file. The text will turn blue indicating that the link is downloadable.
Save Changes
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Click the Save button.
Preview PDF File
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View the PDF file by clicking on the file name.