To Make Acrobat portable for older reader, you should change the option in Acrobat Distiller with the following steps.

  • Open the Acrobat Distiller. Click Settings > Job Options.
    The image illustrate how to make acrobat portable so that old acrobat reader can read
  • In the Job Options windows, switch to the General tab. Then choose the version that you need from the Compatibility's drop-down menu. (i.e. Acrobat 4.0 (PDF 1.3))
    The image illustrate how to make acrobat portable so that old acrobat reader can read
  • After all, save the changes by pressing OK or Save As for the Acrobat to take effect on the next process.