In vReveal 3: Yes (kind of). In vReveal 3, you can simply keep "saving to disk" before the previous file has finished. All jobs will get queued and get processed one after another.

 In vReveal 2: Yes. Using vReveal's "One Click Fix" feature, you can select a group of videos in vReveal's gallery and apply a default level of enhancements to them in preview mode with a single click. When you're ready to "render", you can save a group of enhanced videos in a batch.