No, it will not cause a problem/conflict, you can safely install muvee Reveal if you already have muvee autoProducer and/or muveeNow on your computer.

However, the styles for muvee autoProducer/muveeNow and muvee Reveal cannot be cross-used. For example, a muvee autoProducer/muveeNow style cannot be installed and used in muvee Reveal.

For more information regarding muvee styles compatibility, please visit the styles page here.