If they are deleted, not in a user friendly way, no.

People who know what they’re doing can retrieve deleted things from cached data on the phone but there is no easy, user friendly way to do so.

Depending on which device you are using and what settings you set up when you got your phone, it may be automatically backed up onto your Google Drive or iCloud. https://www.zipwhip.com/blog/how-to-recover-deleted-text-messages/

If either of those options do not work, there are a bunch of third-party software apps that can help you recover some of your deleted text messages, but it can come at a hefty price.