Computer software for viewing, creating, editing, sharing, managing, distributing, accessing and storing with and without password protection, electronic documents, including interactive electronic documents, namely, Portable Document Format (PDF) files by, adding text, images, and signatures to PDF documents, correcting text in original PDF with editable text blocks, moving, resizing, copying, and deleting images in original PDF documents; redacting or erasing text, including OCR (Optical Ch...