can u undisabled App Store and iTunes

If your AppleID has been disabled in the App Store and iTunes, you will need to seek assistance directly from Apple Support:

If your Apple ID is locked or disabled - Apple Support

Apple Support can be reached using this link:

Official Apple Support

Alternatively, you can initiate and manage your support cases using the excellent Apple Support App. If not already installed on your iPad, the App can be downloaded from the App Store:

https://apps.apple.com/app/apple-support/id1130498044

There's a problem with your iTunes Store account information which can't be fixed from your end. Click here and contact Apple Support when they're open; if the link doesn't have an option for your country, use this form.

They can and will disable it remotely for various reasons.

(240036)

Are you sure it is not disabled via parental control?

Otherwise, Apple might have disabled it for various reasons (eg. security etc). See below on how to fix it.

*edited because wrong info from my end.