@Kre8withkristin ;

If you are seeing their numbers on their screen, I am assuming you are using a computer.

I go through Dashboard-Reports-Summary- then choose a date Range.  I am not sure how you select Reports the Monthly then Sales Summary.  You also are not saying what device you are using where you are located.  Ipad, Android, Computer?

I have noticed sometimes when I select a Report for This Month I accidently chose Last Month or sometimes a day or so gets missed, so make sure After selecting This Month that both devices have the same Date Range and dates circled in Blue.  Every once and awhile I have different sales data but it ends up just needing the data pushed from the device that took the sale to the square back office.  Sometimes this is immediate and other times it can be delayed a little.  Usually I just log out then log back in and then I have the same sales data.  This happens mostly on the Apps since I leave my apps Logged in but sign out as a user so you need the My pin to see financials and to log in.