skipEmptyRowsAndColumnsOfSpreadsheets.java

// For complete examples and data files, please go to https://github.com/groupdocs-conversion/GroupDocs.Conversion-for-Java
ConversionHandler conversionHandler = new ConversionHandler(Utilities.getConfiguration()); 

CellsLoadOptions loadOptions = new CellsLoadOptions();
loadOptions.setSkipEmptyRowsAndColumns(true);
loadOptions.setOnePagePerSheet(true);

PdfSaveOptions saveOptions = new PdfSaveOptions(); 

ConvertedDocument result = conversionHandler.<String>convert(sourceFileName, loadOptions, saveOptions);
result.save(sourceFileName + "." + result.getFileType());