No, we do not support HTMLDoc. However, we can install the File_PDF package from the PEAR repository by request. If you need further assistance, please open a support ticket with our Guru Crew on the Customer Portal at https://done5.com/clients/submitticket.php.
More Information
For more information about the File_PDF package in PEAR, please visit http://pear.php.net/package/File_PDF.