If you have an AutoCAD subscription but you’re unable to access the editing tools, it is because your Autodesk account isn’t synchronized with your AutoCAD subscription.
If you are part of a multi-user subscription license, and/or have an administrator who manages your account, all you have to do is ask your administrator, or whomever manages your multi-user account, to assign you access to the AutoCAD web app.
This page describes how administrators can assign you access