Yes it is possible.
make your control com visible in Assembly and In both the Debug and Release modes of the Property Pages, set the "Register for COM Interop" checkbox
then
To register the assembly, you must use the .NET equivalent of regsvr32, regasm. This is located in the framework directory, usually "C:\WINDOWS\Microsoft.NET\Frmaework\v2.0.50727". To register it, open a command prompt and run the following command, assuming that the framework directory and the assemblies directory are in the environment's current path.

And after that you can add reference to yor vba