ShowCan I back up databases such as Microsoft SQL Server?
Yes, Acronis Agents use Microsoft Volume Shadow Copy Service to back up Microsoft Exchange, Microsoft SQL Server, Microsoft Active Directory, and Microsoft SharePoint in a consistent state.
Starting with version 4 (Agent build 12.0.1078), Acronis Backup Cloud includes dedicated backup agents for Microsoft Exchange and Microsoft SQL Server to provide instance restore.
ShowCan I back up databases inside virtual machines?
Agents for VMware and Hyper-V back up the virtual machines in a consistent state, provided that VMware Tools (for VMware) or Integration Tools (for Hyper-V) are running on the machine.
ShowIs there a way to limit network usage for backups?
Yes, bandwidth limitation is an option of each backup plan.