You can do that in your account. Go to “My SIM cards” and click your SIM card.. You will see a summary of all of your data sessions, incoming/outgoing calls and incoming/outgoing text messages for the number that you selected.
In the Viking App, you can view your usage history under the tab (drum roll...) “Usage”.
Note that it’s quite possible for a data session to be active for days at a time. It will depend on the type of device. You can force a data session to close if you put your device into airplane mode or restart it completely.
Don’t see your recent usage immediately? Wait for a while! It can take up to four hours to process your usage.