Once the user photos are in AD you need to update the SharePoint user picture property . Open Central Administration and navigate to your User Profile Synchronization Service Application. Click on Manage User Properties.
Scroll down to the Picture property and choose Edit from the drop down menu.
Scroll down to the Add New Mapping section. Choose your AD data connection, select the thumbnailPhoto attribute and click Add, followed by OK to save the change. This maps the SharePoint picture property to a user’s photo attribute in AD.
Run a full user profile synchronization.
Once the user synchronization has finished open the SharePoint 2013 Management Shell. Run Update-SPProfilePhotoStore -CreateThumbnailsForImportedPhotos 1 -MySiteHostLocation %MySiteURL%
You need to run above cmd with Farm Admin account.
once completed, the profile image will be showing in the profile