Uninstall both Chrome and Pages using this application, AppCleaner --> https://freemacsoft.net/appcleaner/
(Open App Cleaner, load Chrome it and it will load Chrome and its files. Click Delete. Do the same for Pages)
This will delete Pages and Chrome and all their related files completely from your Mac. Remember, you will lose saved bookmarks, history etc from Chrome
Then reinstall them. If that didn't work, then try the following;
In Finder, click on Go menu and select Go To Folder. Then type the following and press return
This will bring Users folder. Right click or control + click on your User account and select Get Info. Click on Sharing and Permission at the bottom, click the lock to unlock that screen. Then click + and add your user account even if it is already there. Then change the privilege to Read and Write even if it is set already. Then click on Gear/Settings button and click Apply to Enclosed and let it complete.
Then restart your Mac and see if it is working or not.
Please let me know if that didn't work, so we can continue troubleshooting