If you are on our standard integration then no, this will have to be done by the Episerver Personalization team. Please contact email@example.com
If you are on our JSON integration then yes, you will have the ability to turn this off as and when you choose.
Please note it is advised contacting firstname.lastname@example.org if you wish to turn off the recommendations so we can adjust the serving of recommendations as well. This will ensure that reporting remains accurate.