Document document = new Document();
Section s = document.AddSection();
Paragraph p;
foreach (Question q in sortedTest)
{
  p = s.AddParagraph();
  p.Format.KeepTogether = true;
  p.AddFormattedText(counter.ToString() + ". " + q.QuestionText, TextFormat.Bold);
  var table = new MigraDoc.DocumentObjectModel.Tables.Table();
  ...
  Column column = table.AddColumn(MigraDoc.DocumentObjectModel.Unit.FromCentimeter(3.6));
  ...
  row = table.AddRow();
  if (choiceCounter == 0)
  {
    row.KeepWith = 3;
  }
...
PdfDocumentRenderer pdfRenderer = new PdfDocumentRenderer(true, PdfFontEmbedding.Always);
pdfRenderer.Document = document;
pdfRenderer.RenderDocument();