Check out some options how pes files might be converted to pdf format.
As with any other graphics related file, you should be able to simply print Brother PES embroideries to a PDF file using a Virtual PDF printer installed in some embroidery design software. Those PDF will be good for previewing purposes, but they will be ill suited for embroidery and stitching machines.
Updated: January 18, 2017
Unfortunately, there is no detailed software record in the database for this conversion.
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