I thought it was pretty clear that you had to cancel within a week to avoid the subscription - although they didn't say that in advance! It was fine for a UK short-hold tenancy agreement. It seems you can go into Admin, Billing and Usage, Edit and switch to a completely free plan which should kick in at your first billing date instead of charging you - we'll see! That gives you three documents free. Adobe Sign is better value if you want a paid plan.
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