A complete vocal channel strip with compressor & limiter, de-esser, equalizer, enhancer, delay, reverb, modulation fx, separate chorus and noise suppressor is part of Boss VF-1 algorithms.
I mean if you already own an unused Boss VF-1 then you can lend it to your singer. It cannot replace a "real" vocal channel strip.
To be kind to Boss I would say that most of the preamp models are bit too bright sounding.
I mean it's not what I call a warm sound.
My old Line6 Pod Pro had a
lack of highs but it was more a dull sound than a warm sound. In contrast to the Line6 Pod Pro the Boss GT-8 & Boss GT-10 have to much highs which are also not warm sounding.
Use the equalizer to reduce the unnecessary highs for a warm sound without getting a dull sounding amp emulation.