This issue is with the resolution used by the Canvas Speedgrader when rendering PDF files. Canvas will "refresh" the pdfs at different resolutions depending on the zoom level chosen in the speedgrader pdf viewer, but also depending on the zoom level of the browser window itself. I've attached screenshots of what I'm seeing. In the canvas speedgrader if I zoom in on the pdf using the speedgrader toolbar, it will load successfully better images (at the cost of less viewing area), but will m...
