pdfplatex-pl: 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 CentOS possible default full paths are:

/usr/bin/pdfplatex-pl - from package: texlive-east-asian

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