Hi ​@Kentia hope all is well!

It is possible to freeze columns or rows in a table using the Freeze Panes option available in the Sheet View. You must have the Configure View permission to save these modifications. You can access this functionality by navigating to the View menu in the Sheet View toolbar, see below:
 

For more information on the Sheet View refer to our article here:

Let us know if this helps answer your question or not, thanks!