The SDR file might be empty, corrupted, or stored in a coordinate system far from origin (0,0). Try zooming out in a previewer first, or use "Auto-framing" options in the converter.
When converting SDR files to JPG images online, keep in mind: convert sdr file to jpg online full
If you cannot access SmartDraw, and you only have the SDR file, try this : The SDR file might be empty, corrupted, or