Re: preview of the stamp on the PDF - I was seeking a web based solution, i.e. something that is shown in the browser so the use doesn't need to leave the web application.

Thanks Sidhant. Any ideas on how I might do a preview on the front end to show where the stamp would be placed?

Hi Alexandre. Thank you for your reply. Would the LiipImagineBundle work for PDF or only for images? Any ideas on how I might do the preview to show where the watermark stamp is being placed?