Hi @mcz,
The practice for a restore of an MSSQL server DB is as described by @MicoolPaul , shutdown or disable your applications\users and proceed with an IR restore VM server Database.
Alternatively, you could test this procedure.
1) Restore entire VM or IR with the MSSQL DB on board, network cards disconnected.
- check if SQL services start at boot.
- check if service startup account is domain will fail, possibly
change local user with Administrative permissions to star the MSSQL services.
- Connect via console to vm and use management studio to enter
locally without problems, because locally there is shared memory protocol.
2) Access the db via "SQL Server Management Studio and run the "alter database namedb set offline with rollback immediate" command.
Or lock the DB connection sessions, "Close existing connections to destination database" during the native DB restroe wizard

3) Reboot with network cards connected.
4) proceed with performing MSSQL point in time restore, only if the Database is NOT configured in "SQL Server Simple Recovery Model"...in this case you can only perform attach d or restore native format .bak
5) finished restoring Tlogs from Point in time put MS SQL DB back online
6) operational DB
Alternatively you can implement a stage MSSQL server with its advantages.
Configuring Staging SQL Server - Veeam Backup Explorers Guide
regards