The jar goal allows you to create a jar file that contains the generated documentation. This goal can be used in the build section of the pom, or as a standalone call.
<project>
...
<build>
<plugins>
<plugin>
<groupId>net.sf.jfxdplugin</groupId>
<artifactId>maven-javafxdoc-plugin</artifactId>
<version>1.0</version>
<configuration>
...
</configuration>
<executions>
<execution>
<goals>
<goal>jar</goal>
</goals>
<phase>compile</phase>
</execution>
</executions>
</plugin>
</plugins>
...
</build>
...
</project>