I don't do audits either. Importing a tax client TB and making my AJEs in the program makes it easy for me to export AJEs and send to the client.
AdvanceFlow itself is just insanely fast IME considering its cloud based. A lot of services, just tested one from CCH, limit the bandwidth of their products so it's slow even if your firm has speedy internet. In other words the bottleneck accessing data can be unbearable to people like me used to fast document access.
I save outlook emails and have a lot of word and excel files on all my clients and I find the product just works. Again AdvanceFlow is the best I've used. I've tried others that were IMO abysmal but that doesn't mean there isnt some solution out there that could be better and cheaper. Just sharing my experience.