Wish to authorize zapier to my account but cannot see the "allow" button to authorize.

What browser are you using? Could you please share a screenshot to illustrate what you mean?

https://www.jotform.com/help/438-How-to-Post-Screenshots-to-Our-Support-Forum

Please note that in order to use Zapier to connect JotForm with another app, you need to do it at Zapier's site: https://zapier.com/apps/jotform/integrations