Can not convert Excel to PDF when the axis label interval is changed

[dyb]

When the axis label interval of a graph in my MS Excel document is set, after converting it to a PDF document in headless mode, the axis label interval is not reflected in the PDFdocument.

[fpy]

Image distortion while converting to PDF document

[Wanderer]

@dyb

in headless mode

Is this different from interactive mode?