There are many options to achieve incremental loading. To state two:
You could use CDC feature, though its a subscription only feature
You could use some attribute of your target output, like an ID or Timestamp column to retrieve the last processed record on previous Job execution and then use a filter on the input based on this same attribute
As there are so many topics about incremental load in community, just search them with the key word 'incremental load', you will get some solution and answers.
