Download document watermark for Node.js that allows add, search and remove watermarks from the PDF, Word, Excel, PowerPoint and images using JavaScript....PowerPoint®: PPTX/PPTM/PPSX/PPSM/PPT/PPS Microsoft Outlook®:...PowerPoint®: PPTX/PPTM/PPSX/PPSM/PPT/PPS Microsoft Visio® VS...