Go lang SDK to access cloud PDF documents for merging, splitting, encrypting, watermarking, annotating & converting to other formats via REST API...XLS, XLSX, PPTX, DOC, DOCX, MobiXML, JPEG, EMF, PNG, BMP, GIF,...HTML, LaTeX, MHT, PCL, DOC, MOBIXML, PDFA, PPTX, SVG, TIFF, XLS...