private readonly IApplicationEnvironment _appEnvironment;
public YourController(IApplicationEnvironment appEnvironment)
{
      _appEnvironment = appEnvironment;
}
public ActionResult Create()
{
      YourModel model = new YourModel();
      string path = _appEnvironment.ApplicationBasePath + "\\wwwroot\\Content\\Default";   // получим путь к файловой системе
      model.Photo = ImageToByte(path + "\\Image.png");
}

private byte[] ImageToByte(string path)
{
     Image image = Image.FromFile(path);
     MemoryStream memoryStream = new MemoryStream();
     image.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);
     return memoryStream.ToArray();
}

@Html.Raw("<img style='width:50px;'  src=\"data:image/jpeg;base64," + Convert.ToBase64String(Model.Photo) + "\" />")

public async Task<ActionResult> Create( Shop model, HttpPostedFileBase PhotoImage)
        {
            if (ModelState.IsValid)
            {
                    byte[] imageData = null;
                    using (var binaryReader = new BinaryReader(PhotoImage.InputStream))
                    {
                        imageData = binaryReader.ReadBytes(PhotoImage.ContentLength);
                    }
                    model.Photo = imageData;

                    db.Shops.Add(model);
                    await db.SaveChangesAsync();
                    return RedirectToAction("Index");
            }
            return View(model);
        }

using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
    Document doc = new Document(PageSize.A4, 30f, 30f, 30f, 30f);
    PdfWriter writer = PdfWriter.GetInstance(doc, ms);
    doc.Open();

    BaseFont baseFont = BaseFont.CreateFont("C:\\Windows\\Fonts\\arial.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);

     //Заголовок 
     PdfContentByte cb = writer.DirectContent;
     cb.Rectangle(10f, 10f, doc.PageSize.Width - 20f, doc.PageSize.Height - 20f);
     cb.SetFontAndSize(baseFont, 13);
     cb.BeginText();
     cb.ShowTextAligned(
     PdfContentByte.ALIGN_CENTER, "Отчёт", 300f,  doc.PageSize.Height - 30f, 0);

     cb.EndText();
     cb.Stroke();
     doc.Close();
}