Which DAW in particular ? Note that SpectraLayers is a standalone application, not a VST. If the DAW is able to call an external program yes it's compatible, no matter your DAW is 64bit or 32bit.
For instance it can be called from Ableton Live, Cakewalk SONAR, E-MU Emulator X3, Final Cut Pro, FL Studio, KONTAKT, Logic Pro, Avid Media Composer, Pro Tools, REAKTOR, REAPER, Samplitude/Sequoia, Sony ACID Pro, Sony Vegas Pro, Steinberg HALion, Tracktion.