exportPDF() {
        let doc = new pdf.PdfDocument({
        header: {
            height: 0
        },
        footer: {
            height: 0
        },
        ended: (sender, args) => pdf.saveBlob(args.blob, "Document.pdf")
        });
    //
    let colWidth = 100, rowHeight = 18, y = 0;
    //
    for (let i = 0; i < 10; i++) {
      for (let j = 0; j < 4; j++) {
        if (j === 0 && i === 1) {
          doc.paths.rect(j * colWidth, y, colWidth, rowHeight * 9).stroke();
        } else if (j === 0 && i === 0) {
          doc.paths.rect(j * colWidth, y, colWidth, rowHeight).stroke();
        }

        if (j === 1 && i % 3 === 1) {
          doc.paths.rect(j * colWidth, y, colWidth, rowHeight * 3).stroke();
        } else if (j === 1 && i === 0) {
          doc.paths.rect(j * colWidth, y, colWidth, rowHeight).stroke();
        }

        if (j === 2 && i === 0) {
          doc.paths.rect(j * colWidth, y, colWidth * 2, rowHeight).stroke();
        } else if ((j === 2 || j === 3) && i > 0) {
          doc.paths.rect(j * colWidth, y, colWidth, rowHeight).stroke();
        }
      }
      y += rowHeight;

      if (y >= doc.height) {
        y = 0;
        doc.addPage();
      }
    }
    doc.paths.rect(0, 300, colWidth * 4, rowHeight).stroke();
    doc.paths.rect(0, 318, colWidth * 4, rowHeight * 5).stroke();
    //
    doc.end();
}

<결과 화면>