Import from DITA as Confluence pages or Export your pages to DITA
https://marketplace.atlassian.com/plugins/jp.junoe.confluence.plugins.conf2ditaThis should allow a single text fragment to be reused in on-line help, the wiki and in PDF manuals and books.
Ron -- Ron Wheeler President Artifact Software Inc email: rwhee...@artifact-software.com skype: ronaldmwheeler phone: 866-970-2435, ext 102