SkipEmptyRowsAndColumnsOfSpreadsheets.cs

// For complete examples and data files, please go to https://github.com/groupdocs-conversion/GroupDocs.Conversion-for-.NET
Contracts.Func<LoadOptions> getLoadOptions = () => new SpreadsheetLoadOptions
{
    SkipEmptyRowsAndColumns = true,
    OnePagePerSheet = true
};
using (Converter converter = new Converter("sample.xlsx", getLoadOptions))
{
    PdfConvertOptions options = new PdfConvertOptions();
    converter.Convert("converted.pdf", options);
}