Click '(download)' for each batch you have created, this will show you all the voucher codes we have a record of in LoyaltyLion - ensure you add all of these into your store.
Once you have added them to your store, go back to LoyaltyLion and click 'activate codes' next to each batch you have created to make them live for the rewards.
*Screenshot of where to see (download) and 'activate codes'