doc-view-odf->pdf-converter-program is a variable defined in `doc-view.el'.
Its value is
This variable may be risky if used as a file-local variable.
Program to convert any file type readable by OpenOffice.org to PDF.
Needed for viewing OpenOffice.org (and MS Office) files.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 24.4 of Emacs.