Yes, I'm talking about Odoo online. But at the time of acquiring the subscription it allowed me to do it for 0.00USD, I completed the entire process but it still tells me that it is pending approval. I appreciate your help.

Hi,
I hope you are talking about the odoo online, if you are using only single app, the database will remain free forever. If you install multiple apps in the db, the free offer will be removed and you have to change to a paid subscription , else the db will get expired in 14 days and you wont be able to use the db .

Thanks