Note: It is very important for currencies to be configured correctly based on your setup to ensure there are no issues with reporting and budget optimization.
Yes, Metadata supports non-USD currencies.
The default currency is pulled from the first ad channel you connect in Metadata. For example, if you connect LinkedIn first and the currency is set to Euros natively then the currency in Metadata will be set to Euros.
Using different currencies across ad channels
By default, Metadata uses one currency for all ad channels. If you have a requirement to use different currencies for different ad channels, please reach out to email@example.com for help.