Oxygen XML Author Eclipse plugin includes a built-in transformation scenario that is designed to convert DocBook content to PDF.
Apply
Transformation Scenario(s) (Alt + Shift +
T, T (Command + Option + T, T on macOS)) action from
the toolbar or the XML menu.
Configure Transformation Scenario(s) (Alt + Shift +
T, C (Command + Option + T, C on macOS)) action from
the toolbar or the XML menu.For information about customizing the PDF output for DocBook content, see DocBook to PDF Output Customization.