When the form template setting "Enable Completed Form Item Comment Copy" is enabled, it does not allow users to copy comments from a section in a previously completed form into the same section of their current form.
Reproducing the Issue
1. In Form Template Settings > Enable Completed Form Item Comment Copy > and save the template
2. Go to a current form and click on the History icon
There is no possibility to copy comments from a previous form into the current in-progress form.
The form template setting "Enable Completed Form Item Comment Copy" is currently not supported for PMv12A.
There is an Enhancement Request opened for this issue since 2015. (PMU-1930)
Performance form, completed form item, PMv12A, copy comments, form template settings , KBA , sf performance manage templates , LOD-SF-PM-FRM , Forms & Templates , How To