What data is synced from Boost to the OTA?

Content, Rates, Avail, Avail Restrictions, PMS Cancellations
- Booking Modifications are not synced/supported

We have synced all APIs
Content, Rates, Avail, Avail Restrictions, PMS Modifications, PMS Cancellations

What data is updated automatically? ARI (avail, Rates, Inventory) vs Static content -Property's basic information, amenities, description, photos or payment methods

All data except payments. We cover that as MOR

Does the Channel manager control property descriptions, other fields or is this generated by OTA algo?

The Channel Manager controls property descriptions and other content fields

Can the user force data to sync/update? Where and how is this done?

PMS can and we can as well.

Does the Channel Manager control Image gallery order?

Yes