Using the PM4ML API can we generate the editable pdf form from html and after that user should able to save the contents of the pdf form.

Thanks
Suri
7325992404.

Yes. Here is an example how to implement it in JSP scenario and to receive submitted data on the server side:
pd4ml-html-css-pdf-tips-tricks-f7/pdf-forms-t422.html

If you prefer to use PD4ML API, you need to trigger pd4ml.generatePdfForms() API call to enable HTML forms to PDF forms conversion.