2) GenoPro 2020 does not have built-in templates, however you are welcome to create an "empty" .gno document with the custom tags. Make this .gno document read-only and distribute to your organization. When someone wants to create a new genogram, just ask that person to double-click on that .gno document and the custom tags will be there. When the user wants to save, GenoPro will prompt to save under a different file name because the .gno document is read only.
3) No. You are welcome to give me some examples and I will add them to our JIRA database which tracks bugs and suggestions.