static void Main(string[] args)
        {
            // Create Bytescout.PDFExtractor.CSVExtractor instance
            CSVExtractor extractor = new CSVExtractor();

            extractor.RegistrationName = "demo";
            extractor.RegistrationKey  = "demo";

            // Load sample PDF document
            extractor.LoadDocumentFromFile("sample3.pdf");

            //extractor.CSVSeparatorSymbol = ","; // you can change CSV separator symbol (if needed) from "," symbol to another if needed for non-US locales

            // Get page count
            int pageCount = extractor.GetPageCount();

            for (int i = 0; i < pageCount; i++)
            {
                string fileName = "page" + i + ".csv";

                // Save extracted page text to file
                extractor.SavePageCSVToFile(i, fileName);
            }

            // Cleanup
            extractor.Dispose();

            Console.WriteLine();
            Console.WriteLine("Data has been extracted to separate files for pages.");
            Console.WriteLine();
            Console.WriteLine("Press any key to continue...");
            Console.ReadKey();
        }