To edit a design from server, you should first check it out. You can then use SOLIDWORKS commands to open the design or insert it into an assembly or multi-body part.
Support for retrieving As Saved structure Check Out Opening Designs from the Server About Opening Checked In Designs from the Server Opening a Checked-in Assembly or Drawing Undo Check Out Dialog Box Opening a File from the Web Client 3DEXPERIENCE Web Checkout Dialog Box Resetting the Web Checkout Dialog Box Viewing and Editing File Properties Dialog Box Displaying User Name Information About the User Name Profile Uploading Your Photograph to Your User Name Profile Viewing Design Details from the Web Client Renaming a File