A PDFTron license starts at $4500 USD a year. You can contact sales for more information.
PDF.js Express costs $375 USD a month, but you would have to use the API in order to merge annotations.
A PDFTron license starts at $4500 USD a year. You can contact sales for more information.
PDF.js Express costs $375 USD a month, but you would have to use the API in order to merge annotations.