: Use the file manager or the app you installed to open and read your Bengali PDF.
If you find a file ending in .cbr instead of .pdf , use an app like CDisplayEx or Kuro Reader . These formats are specifically designed for high-res comic scans. Popular Bengali Titles to Look For
libreoffice --headless --convert-to pdf \ --outdir /var/spool/asterisk/pdf \ /var/lib/asterisk/agi/bengali_report.odt