1. RDWorks cannot read PDF and open it directly.
2. Use CorelDraw to open/import PDF file firstly. Then save the graphic as DXF file.
Like below:
3. Then RDWorks can read the DXF file, Just import the DXF file into RDWorks directly.
4. The other way is open/import PDF file with CorelDraw,use the plugin button “Laser Running “ to import the graphic into RDWorks
End