How can I rename the pdf?

Hi Abhishek

Hope you are doing well and thanks for reaching out. As described you want to rename the PDF file and have the premium subscription.

Please refer to the file management section of the help pages listed below:

1. For Android - https://www.adobe.com/devnet-docs/acrobat/android/en/managefilesfolders.html#file-management

2. For iOS - https://www.adobe.com/devnet-docs/acrobat/ios/en/managefilesfolders.html#file-management

Regards

Amal