ExcelToPdfDocumentOptionsUseFirstWorksheetPageSettings Property

Applies only when UsePageSettingsFromExcel is true. If true, page settings from the first worksheet are used for all worksheets. If false, page settings from the workbook's active worksheet are used for all worksheets (if an active worksheet is set). Has no effect when UsePageSettingsFromExcel is false. The default value is true

public bool UseFirstWorksheetPageSettings { get; set; }