To access the Assessment, on the left sidebar menu click on 'Assessment'.
There will be a sub-menu, Active Assessments and Draft Assessments. If you want to create a new assessment and/or continue your assessment click on the 'Active Assessment' menu.
Then you will be redirected to the Active Assessment page.
If you want to see your draft assessment, click on the 'Draft Assessment' menu.
Then you will be redirected to the Draft Assessment page.