Hi All
Good news from LibreOffice development!
The bug that broke Master Documents TOC export with hidden sections is
fixed for next 6.4.6 and 7.0 releases.
That means the exported PDF from Master Documents will now have the
links pointing to the right pages, including the PDF bookmark pseudo TOC.
https://bugs.documentfoundation.org/show_bug.cgi?id=130151
Regards