Not only is Form.io capable of hosting forms, it can also host submissions of those forms. These submissions can be accessed using the Submission API, which simply appends a “/submission/[SUBMISSION_ID]” to the end of the Form API like the following.
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons/font/bootstrap-icons.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap/dist/css/bootstrap.min.css">
<script src="https://cdn.form.io/js/formio.embed.js"></script>
<div id="formio"></div>
Formio.createForm(document.getElementById('formio'), 'https://examples.form.io/wizard/submission/5a542c9e2a40bf0001e0f8a9', {
readOnly: true
});