If you focus in certain markets and have the need to adjust your default currency, you can change quickly by clicking on Settings > Account Settings > $ Default Currency. You can adjust your currency here to your desired default currency. Keep in mind that this is a global setting and will affect all your proposals.
If you would like to use several currencies, you can upgrade to the Enterprise Plan to be able to use the Currency Per Department feature. This allows you to create several departments with several templates that will be delivered in the desired currency. For more information on this, please request a demo at