Using the Room Block Document Element, it's possible to show revenue subtotals & grand totals each day, as well as an overall grand total.
In addition to this, the overall Room Night & Revenue totals can be shown using a Text Box & the applicable merge fields for Blocked/Pickup Room Nights & Revenue. On your Document Template:
Add a Text Box document element
Click on Group dropdown
Select the relevant merge field/s
Customize the textbox as needed
Click Apply
Save your Document Template
The merge field will then pull across the totals based on the Group: