Acrobat can't rename files. It can save documents with a new name. In the Action Wizard use the Save step.
As mentioned, you can't use it to rename files, but you can save a new copy under a new name.
To do that add a Save command (from the Save & Export sub-menu), then click it, select Specify Settings and you'll be able to specify a prefix and/or suffix for the new file name:
If you want a more complex pattern then it can also be done using a script.
Thank you for your reply...
I did watch a tutorial on youtube (Evermap channel) where pdf file can be renamed automatically using Auto-Rename file option in Adobe Acrobat Pro DC. Could you please advise how is this done?
Use this plugin from evermap.
isn't this plugin from Adobe? Or can we have similar option from Adobe?
The plugin is from evermap.
You can buy and install the plugin.
Or create your own plugin. A plugin can rename files.
Contact the support of this tool.