are all your bundles active?if yes- the preview as HTML should workit is recommended to generate a PDF using either forms or output service and then view the pdf using Adobe Acrobat or ReaderThe built-in PDF viewer of modern browsers may not be able to display the pdf

Will send you a sample xml and xdp soon

You will need to create an xml with the base64 encoded string of the image in the xml and then merge the xml with xdp to generate the pdf with the image

Can you please elaborate your use case?

https://experienceleague.adobe.com/en/docs/experience-manager-learn/forms/document-services/generate-multi-record-pdf

If you have access to aem forms server, you can use output service to generate multiple documents from one data file

Are you in PST time zone?if so we can connect and do a web session sometime today

Sorry we didn’t have any thing like that

Let’s do web session send me a private email

Is your form based on the share point backed form data model?the data.json is the data from the submitted formyou can extract the individual elements from the data.json and insert the same into your SP list