LO 7.4.3 - "--convert-to pdf" different results between OSX and CentOS Stream 8

[JaqenHghar]

Hello all,

have an urgent problem and hope you can help me.

I have installed LibreOffice 7.4.3 on the development environment (OSX 10.14.6) and the production environment (CentOS Stream 8).
On the OSX, the "soffice" command "-convert-to pdf" (docx -> pdf) returns a correct PDF. On the Linux system the generated PDF is wrong.

The following command gives different results:

soffice --headless --nodefault --convert-to 'pdf:writer_pdf_Export:{"UseLosslessCompression": {"type":"boolean","value":"true"}}' /tmp/docx_document.docx --outdir /tmp/

the placed vector icons in the Word are low resolution and totally pixelated / blurred in the generated Linux PDF
I have attached screenshots of the different PDF results of both systems

result OSX:

MacOSX.png (3.51 KiB) Viewed 3373 times

result CentOS:

CentOS.png (4.67 KiB) Viewed 3373 times

are already known bugs in this regard?
how can i work around this error on the linux environment?

many thanks in advance

[John_Ha]

See the MacOS tutorial. It could be because on MacOS, File > Export to PDF ..., uses one method whereas clicking the PDF icon uses a different method. I forget the details but one uses the AOO code and the other uses the built-in PDF converter in MacOS.

[JaqenHghar]

thanks for the quick reply!
and that is exactly the problem. Under OSX both methods work (PDF icon directly and File -> Export to PDF).
The PDF is correct

Under Linux "soffice" the export does not work. The icons are wrong
Is there another method to generate a PDF under Linux LibreOffice cli that I could test?

And in my case the whole thing has to work under Linux