You can ONLY upload JPG and PDF files to the Docs tool.  

1.  Open your document in the program you created it and then select the Save As option and choose either JPG or PDF.

2.  Once your file you want to upload to CheddrSuite is a JPEG or PDF hit the Upload Document button.

3.  Add a Document Name.  You will need the name of the document to be unique.

4.  Hit the Choose File button.

5.  Select the file you would like to add.

6.  If you would like the recipients to sign the document check the Requires Signature.  You can also check the box next to Requires Passed Quiz.