Restored wiki pages may not be correct
When you use Granular Recovery Technology (GRT) to restore a page in the wiki site, the restored content may be incorrect.
To work around this issue, restore the SharePoint web application content database. For more information, refer to the NetBackup for Microsoft SharePoint Server Administrator's Guide.
When you use Granular Recovery Technology (GRT) to restore ghosted or uncustomized ASPX pages from any template of SharePoint 2016, the restore job is successful, but the restored pages appear with the default content when it was created. This issue is not seen if the ASPX pages are uploaded to SharePoint. Such pages are treated as customized pages.
To work around this issue, restore the SharePoint web application content database. See "Redirecting the restore of a SharePoint Server Web application content database to an alternate SQL instance" in the NetBackup for Microsoft SharePoint Server Administrator's Guide.