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4. Once the document is approved you can invite others to sign it.
5. In the invitation popup you can choose the minimum level of assurance you want the identities (people) you invite to have when they sign the document.
You can read more about Assurance levels and how they are used in eduSign on the following eduSign wiki page.
6. In the last step you can add the people you want to invite and press the "Invite" button.
For these people to be able to sign the document they will have to use an identity (user account) that has the Assurance level you choose in the invitation or higher.
Final thoughts
If a person does not have the required assurance level on their account they will get the below error message when signing into eduSign.
The assurance level a user account has, can sometimes vary based on the process they used to authenticate when login in to eduSign.
In certain cases the user can raise their assurance level based on an extra secure process to authenticate, if a user gets the below error it can be useful to contact their IT support and see if it is possible to raise their Assurance level.
When inviting people to sign it can be useful to ensure their identity provider (e.g. a university) supports the assurance level you are requesting.
Swamid keeps an updated list of all their members in Sweden including the Assurance level they offer for their users.
Swamid member page with assurance levels