It is possible to e-sign with BankID, Touch, and SMS. To allow more signing options, you need to approve this, which you do under the settings for your board room.
Start by clicking on "Settings" and then on "Advanced Settings".
Scroll down to “Meetings” and select the signing option “Sign minutes with the same methods as other documents”.
Then scroll down to “E-Signing” and select signing options. Finish by clicking on "Save changes".