You can create the custom pattern as shown in the image and then use that pattern in your fields. In the given pattern field add your country phone pattern.   Also, you can append the +63 to your field in the script while setting the data in the field.

Check this: https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-adaptive-forms-rest-service-test-return-unauthorized/td-p/368257  

Check if this help you: https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/how-to-retrieve-aem-component-property-value-in-javascript/m-p/635295   For Component: https://experienceleague.adobe.com/en/docs/experience-manager-learn/getting-started-wknd-tutorial-develop/project-a...

https://shinesolutions.com/2018/10/02/managing-user-permissions-in-aem/

I think you need to check the bundles state if they are in active state. Also recompile the jsp file.

https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/forms/integrate/use-form-data-model/using-form-data-model#write-af

1) I think scribble signature is for mobile forms (html5 forms), for pdf forms signature field available for digital signatures  2) when you saving the form then make it read only, then you will not able to modify it 3) to make the text flowable make the field extent to fit and multiline to true in ...

If you have done the data binding in the fields, then using the somExpression of the fields you can set data of any field across the form.

Here is the code to check for empty field and revert the color of field to normal if not null.   var oNodes = xfa.resolveNodes("DesignDesignation.Designation[*]");  var nNodesLength = oNodes.length;    for (var nNodeCount = 0; nNodeCount < nNodesLength; nNodeCount++) {      var cItem = oNodes.item(n...

I have taken a button in your form and added below script in the click event:   This is the code to change the color of fields in parent and child subform. I have added for one field in parent form, you can add for other like I did for "DesignDesignationSR". You can also write your rest of logic.  T...