Only fonts of the type TTF are supported by PDFreactor. Generally, these true type fonts must be registered with the Java VM as well as by PDFreactor, i.e. the fonts must be placed in a system font directory and also be physically available to PDFreactor. Per default, PDFreactor scans the standard font directories of the current platform, as well as the font directory of the used Java VM, which is usually JAVA_HOME/jre/lib/fonts to register all available fonts which reside in these folders.