GemBox.Bundle
.NET Office Components

static void Main()
{
    // Set license keys.
    ComponentInfo.SetLicense("FREE-LIMITED-KEY");
    SpreadsheetInfo.SetLicense("FREE-LIMITED-KEY");

    // Create a new document.
    var document = new DocumentModel();

    // Create a chart and add it to the document.
    var chart = new Chart(document, GemBox.Document.ChartType.Column, 
        new InlineLayout(new Size(10, 5, GemBox.Document.LengthUnit.Centimeter)));

    document.Sections.Add(new Section(document, new Paragraph(document, chart)));

    // Get underlying Excel chart and set its data.
    var excelChart = (ColumnChart)chart.ExcelChart;
    excelChart.SetCategoryLabels(new string[] { "Column 1", "Column 2", "Column 3" });
    excelChart.Series.Add("Values", new double[] { 3.4, 1.1, 3.7 });

    // Save the document to a PDF file.
    document.Save("Created Chart.pdf");
}