Hi. will the exchange rate provider automatically update the exchange rate for non base currencies?

Yes. If your account base rate is USD and you use JPY, AUD, GBP then you will get cross rates between all of those. SA80531 also has other info.

ok . is there way to run the rate provider on demand? I added the AED non base currency yesterday and I need to wait till 6 am EST next day to get the rate for AED.

@suitecore idk.