$Book->ExportAsFixedFormat(
    {
        Type                 => xlTypePDF,
        Filename             => "$pdffilename",
        Quality              => $excel->{xlQualityStandard},
        IncludeDocProperties => $excel->{True},
        IgnorePrintAreas     => $excel->{False},
        OpenAfterPublish     => $excel->{False},
    }
);