title: how can i display a buffer data as Pdf Document in my react app?
body: <p>I'm trying to display a document file and download it in pdf in React,
  the document is uploaded it a file I used express-file-upload to do that, but I don't know how to fetch the document and display it in my react app,
  this is how my data look like :</p>
  
  <pre><code>{
    "Document": {
      "type": "Buffer",
      "data": [91, 111, 98, 106, 101, 99, 116, 32, 79, 98, 106, 101, 99, 116, 93]
    },
  }
  </code></pre>