UIの問題 クラッシックのページになる、クラッシックだけ機能する

• Can see Set-up and Classic view but not Lightning view

Try your browser's incognito mode.Or try it in a different browser.

クラッシックのページになる、Lightning Experience 切替できない

• クラッシックのページになる

For the other user's profile or via permission set assign this access and check

Setup > Home > Users > Profiles > The Profile's Name > Edit > Administrative Permissions > Check Lightning Experience User > Save

• Unable to see the users when trying to set permissions on the EinsteinServiceAgent

Try your browser's incognito mode.Or try it in a different browser.

Improve Data Quality for a Recruiting App -Create Validation Rules" でクラッシックになる？

• Is there any restrictions for custom objects to display only in classic but not in lighting

You can't view this item in Lightning Experience. Open in Salesforce Classic.