jodconverter: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/jodconverter - from package: jodconverter

You may install the required package with command apt-get install {package}
Error in other languages:
jodconverter: bevel nie gevind nie
jodconverter: comandă negăsită
jodconverter: comando não encontrado
jodconverter: commande introuvable
jodconverter: command not found
jodconverter: käsku ei ole
jodconverter: không tìm thấy lệnh
jodconverter: komanda nerasta
jodconverter: Kommando nicht gefunden.
jodconverter: kommandot finns inte
jodconverter: komut yok
jodconverter: nie znaleziono polecenia
jodconverter: níor aimsíodh an t-ordú
jodconverter: no se encontró la orden
jodconverter: no s'ha trobat l'ordre
jodconverter: opdracht niet gevonden
jodconverter: parancs nem található
jodconverter: perintah tidak ditemukan
jodconverter: príkaz nenájdený
jodconverter: příkaz nenalezen
jodconverter: команда не найдена
jodconverter: командата не е открита
jodconverter: 命令找不到
jodconverter: コマンドが見つかりません