Yes. But mostly to read data from our ERP program, process the read data, and have views in those databases to be read into Excel apps as various reports (mostly graphic ones). The security part of this schema is based on limiting the use of SQL databases data to specific domain user groups. Previously we used SQL Server also as BE for some MS Access apps too, but after the hard- and software and network management was outsourced some years ago, those fell out of use.