Under OS X, the export options from the printer driver are limited to PostScript and PDF. Depending on the application you are using, you may be able to import one of these types of files into your document. If not, you can export the image as a high resolution TIFF or PICT file.
KaleidaGraph is a thoughtfully designed graphing and data analysis application for research scientists, as well as for those in business and engineering fields. It produces publication-quality graphs, and easily converts the most complex data into a functional display.