There is no locking functionality. But you could hide the sections using visibility expression or disable the fields using access(enablement) expression. These expression can write rules based on a hidden field value which depicts whether the user has permission or not.

Is it specific to Forms or are you trying SITES page?

Have you tried interactive mode of Verify component in edit dialog of verify component in authoring mode? That should allow editing in verify mode.

Let's say this in your example point to field2 for which you want to write calculate expression. Open the propertiies(or edit) dialog of field2 in edit mode and in Calculate Expression input box, enter expression:( TextField1.value == 1) ? 2 : 0Calculate Expression should be basically a valid javasc...

Can you try below:( firstname.value == "charles" ) ? "John" : (( firstname.value == "susan" ) ? "morris" : (( firstname.value == "tim" ) ? "michaels" : ""))

Are you doing it via XFA script? If yes, Can you try to mark that script "run at server" in designer?

Form Pre-fill is supported in ES4 as well including when opening it in LiveCycle Workspace as part of task. Is there something specific that is not working for you? As far as pre-filling drop down and list boxes are concerned, it is possible to prefill them both In LiveCycle and AEM Forms. If you ca...

Yes, XDP based HTML5 Forms are well supported on AEM 6.0 instance. For that, you need to install additional package AEM Forms Add-On package. You can see quick video about installation from package share @ http://helpx.adobe.com/aem-forms/6/getting-started.html at installing and configuring section....

It ca be in JCR or filesystem. 

As of AEM 6.0 GA release, it is not possible to use any AEM Form that is stored in AEM repository, directly as asset to the Livecycle Assign Task Activity. In order to do that, either you have to copy the Asset in LiveCycle LCA as well or somehow write an intelligent code for example, which passes t...