If you are wanting to insert a single document onto a page such as a .pdf or .doc follow these steps.
1. From the Dashboard navigate to the page you would like to upload the document and click Edit.
2. In the body of the page place your cursor where you would like the document to be uploaded
3. Click the Add Media button located on the top left. From here you can drag and drop the document or select it from your Media Library.
4. Once you have selected the file you would like to load onto the page click Insert Into Page in the lower right corner
5. Then click Save Changes and then Update Page.