Those should be supported according to the manual.
Maybe you could link to or attach the reference docx
you're using.

Oliver Baumann <ne...-WPTjrydoUPgeaOpM6FAJmQkbCANdLtlA@public.gmane.org> writes:

> Thanks for your response!
>
> I haven't done anything fancy though: Just made the Title and the Subtitle
> in the reference document left justified - is this not supported?
>
> On Friday, June 14, 2019 at 3:56:17 PM UTC+10, John MacFarlane wrote:
>>
>>
>> Only certain changes to the reference.docx  will make
>> a difference, as outlined in the manual (which gives
>> a list of the styles you can tweak).
>>
>> Oliver Baumann <ne...-WPTjrydoUPgeaOpM6FAJmQkbCANdLtlA@public.gmane.org <javascript:>> writes:
>>
>> > I use pandoc (version 2.5) on Linux to convert Markdown to DOCX:
>> >
>> > pandoc -s file.md -t docx --reference-doc=style-ref.docx  -o file.docx
>> >
>> > I created the file style-ref.docx via pandoc
>> > --print-default-data-file=reference.docx  > style-ref.docx and then
>> > modified it in MS Word.
>> >
>> > However the formatting changes saved to style-ref.docx do not seem to be
>> > applied to the result document.
>> >
>> > What's going wrong?
>> >
>> > How can I debug this? Calling pandoc with --verbose doesn't give any
>> more
>> > clues.
>> >
>> >
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