scViewerX is a ActiveX control that allow you to view, annotate, print and convert files of PDF, DWF. CGM, HPGL/2, TIFF, PNG, Gerber RS274D and Gerber RS274X format. Annotate your files with text, stamps, polygons, images, arrows, area measurements, dimension lines, barcodes, freehand, revision clouds and more. Convert all supported file formats to PDF or PDF/A, TIFF and more Split and merge PDF and TIFF files. Use the compare feature to display differences between two revisions fast and easy. You can optionally save the comparison result to file. Print to all Windows supported printer devices. Print multiple document pages on a single sheet of paper, known as n-up printing or use poster mode printing. Easy to use installation and uninstallation software. Advanced functions for zooming and panning.