How to use Distribution Log
If you are wondering whether your invitations and/or reminders have been sent then you should check out Distribution Log, the bottom menu inside Distribution. It has all the answers to your distribution questions:
CHART and TABLE gives an overview of the e-mail-, sms- and link distribution after publishing, and a status on the responses and device types. Remember that what is presented here is depended on the distribution methods you have activated (e-mail, sms or link).
History tab shows you the date and amount of invitations and reminders that have been sent out.