Resolve and how to fix font not embed in pdf for edas

Have you ever seen a case like a picture?
if you have a case this means you can be said as a researcher

I think it's easy if you know the trick, you must have min an Adobe Acrobat 7 Professional to fix this case. Here for image tutorial

Debian: 

gs \
  -sFONTPATH=/path/to/fonts:/another/dir/with/more/fonts \
  -o output-pdf-with-embedded-fonts.pdf \
  -sDEVICE=pdfwrite \
  -dPDFSETTINGS=/prepress \
   input-pdf-where-some-fonts-are-not-embedded.pdf