instead of a service, use a servlet and call the same using javascript or html. Refer [1] for the example[1] https://helpx.adobe.com/experience-manager/using/custom-sling-servlets.html

I would say thats a crazy requirement !! why would they want to do. I dont think its worth an effort. Rather give the clear instructions and educate the role for the Junior Content authors and kind of govern the changes done by the Junior content authors using workflow.

You have to remove the access to 'Design' mode for the authorsTo do the same, you can follow the below steps1. Goto /useradmin2. Goto the group ex: authors3. Click on permissions and go to /etc/designs4. Just give 'read' permission and remove all othersave and login as author and verify.

@leeasling has rightly mentioned you can create the config folder based on the run modes. Refer [1] to see how it can be done[1] http://adobeaemclub.com/osgi-configuration-management-aem/

There are no trial versions for Adobe Products. As @Scott mentioned, please contact sales team for the same.

You can use both of them. However, there would be some discrepancies between both of them which needs to be overridden by your custom clientlibs. 

Just create a work has service step which sends the preview link (URL without cf#) of the author instance.Note: The User should have access to the author instance.

There is nothing specific or limitations as such. As you have rightly mentioned, make it as multiple tabs rather having all the field in the same tab.It all depends on your component design. You can take an approach in multiple ways but my thought process would be based on below questions1. Does all...

I agree to Scott. If you are talking about your application users then it doesnt matterIf its the number of authors or any other group of users who would be using the AEM instance, then that drives the number of AEM instance you need to use which in turn impact on the license.

goto /siteadminRight Click on the livecopy site and select 'properties''Live Copy' tab should be enable where you would have mentioned the rollout configuration. Based on this configuration, sync would happen from the source. Are you looking for any other specific sync ?? Please give more details wi...