Let me know if you need further help

yes you can.go to miscadmin and create a component report.for exporting in excel you need little change that you can find here.FAQ: Export AEM6 Reports to Comma Separated Values (CSV)

Please share your dialog structure.try use ACS commons multifieldpanel xtype

you can choose user also. its user/group.

edit the workflow and add a participant step and assign to respective person or group it will go for approval . i think this may solve your issue

1. make sure you have dialog in your component2.make sure your component name and jcr:title property value are not same

Thanks MC Stuff​it works​