KOP/TestingForm/FormMain.cs

namespace TestingForm
{
    public partial class FormMain : Form
    {
        public FormMain()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            using var dialog = new SaveFileDialog
            {
                Filter = "pdf|*.pdf",
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {

                List<string[][]> tables = new List<string[][]>();
                string[][] table1 = new string[2][];
                table1[0] = new string[] { "test", "test 2" };
                table1[1] = new string[] { "test next", "test next 2" };

                string[][] table2 = new string[3][];
                table2[0] = new string[] { "ttt", "ttt 2", "ttt 3" };
                table2[1] = new string[] { "ttt next", "ttt next 2" };
                table2[2] = new string[] { "next" };

                tables.Add(table1);
                tables.Add(table2);

                try
                {
                    userControlTableDocument1.SaveToDocument(
                                        "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>",
                                        dialog.FileName,
                                        tables
                                        );
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            MessageBox.Show("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
        }
    }
}