Hi,
You can leave the generator in the pack configuration ; but you won't receive any "low stock level" notification because if HikaSerial is not able to find a serial in the database, it will use the generator to create them.
Which mean that it will be done automatically and you couldn't export the "new serials" like that.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.