If the document has not been finalized, you can simply make the changes to the document by using our in-app editor. The process is explained below:
Step 1: Open the document that you want to make changes to. You can find your documents in My Documents - you can find this folder in the left panel.
Step 2: Click on the document you want to edit. Click on the Edit button on top of your document.
Step 3: Click on Save and proceed after you are done.
==========================================================================
Steps to follow, in case of changes, need to be made to a Finalised document
Step 1: Duplicate the document. You can find how to duplicate a document here
Step 2: Open the duplicated document and follow similar steps (1 to 3) mentioned above.