We have now tried for some time to make expandable forms with livecycle, and now that we have made one, we can't seem to send the form to others who can fill it out and save it as a new file.
Is there something we need to enable or something else?
The fill out forms in Adobe Reader, the forms needs to be prepared with special rights.
Those can be added either through Adobe Acrobat or LiveCycle Reader Extensions.
Here's an overview of your options: Using LiveCycle Forms in Acrobat and Reader | Assure Dynamics developing dynamic LiveCycle and Flex ...