Basic syntax is given below:
<iframe src="path/to/your/document.pdf" width="600" height="400" style="border: none;">
Your browser does not support iframes.
</iframe>• src: The URL of the PDF document you want to embed.
• width and height: Dimensions of the iframe.
• style: CSS to style the iframe (optional).
• The text inside the <iframe> tags is fallback content that will be displayed if the browser does not support iframes.