Document AuTomation APIs along with open-source SDKs To enhance Java, Python, Node.js, C# .NET, Ruby, C++, and PHP applications To view, edit, annotate, convert, compare, e-sign, parse, split, merge, extract, redact, watermark, metadata, paraphrase, classify, repair, and translate documents of almost all the popular file formats....Excel Document 1 Add Password to PDF Document 1 add password to PowerPoint...annotate PDF 4 Annotate PDF using Node.js 1 Annotate PDF using PHP...