The Document Viewer widget allows you to display a variety of documents directly on your site. Documents may be added via file upload, live URL, or web platforms such as Dropbox, Google Drive or Google Mail.
Here are several examples of the widget in action. Note while scrolling that individual documents are scrollable (to accommodate for large documents), separate from the page.
Adobe PDF (PDF)
Microsoft Word (DOCX)
Google Spreadsheet (XLSX)
Powerpoint Presentation (PPTX)