Thank you for your response,
but php_com_dotnet.dll is active on wamp server (php.ini and dll present in ext fodler to php version on wamp server.
this is my code:
$docx = new Phpdocx\Create\CreateDocxFromTemplate("C:\\wamp64\\test\\test\\BE.docx");
try{
$docx->createDocx("C:\\wamp64\\test\\BE2.docx");
$docx->transformDocument("C:\\wamp64\\test\\BE2.docx", "C:\\wamp64\\test\\BE2.pdf");
}catch(Exception $e){
validationGestionBase::message_log($e->getMessage());
}