iPad 10.5 2017 display. Issue
IPAD Pro 10.5 inch 2017 white spot patch spreading
iPad Pro, iPadOS 14
Search online to locate and call contact your nearest, “local” Apple Store location to try/attempt to make an appointment to get your Apple iPad Pro looked at and diagnosed and to give you possible options.
OR, failing that,
Contact Apple support via the contact support link located at the upper right hand corner of every Webpage of these Apple support communities OR by installing and using the Apple Support app found in the iOS App Store.
Tap the iOS App Store link below.
https://apps.apple.com/us/app/apple-support/id1130498044
Best of Luck to You!