How long does it take for adobe export PDF to work after purchase?

Does your Cloud subscription properly show on your account page?

https://www.adobe.com/account.html for subscriptions on your Adobe page

If you have more than one email, are you sure you are using the correct Adobe ID?

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If yes

Log out of your Cloud account... Restart your computer... Log in to your paid Cloud account

-Sign in help http://helpx.adobe.com/x-productkb/policy-pricing/account-password-sign-faq.html

-http://helpx.adobe.com/creative-cloud/kb/sign-in-out-creative-cloud-desktop-app.html

-http://helpx.adobe.com/x-productkb/policy-pricing/activation-network-issues.html

-http://helpx.adobe.com/creative-suite/kb/trial--1-launch.html

-ID help https://helpx.adobe.com/contact.html?step=ZNA_id-signing_stillNeedHelp

-http://helpx.adobe.com/creative-cloud/kb/license-this-software.html

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If no

This is an open forum, not Adobe support... you need Adobe staff to help

Adobe contact information - http://helpx.adobe.com/contact.html

Chat/Phone: Mon - Fri  5am - 7pm  (US Pacific Time) <=== NOTE DAYS AND TIME

-Select your product and what you need help with

-Click on the blue box "Still need help? Contact us"