Yes, almost everything in the script can be reused. But by default the load and include statements use references to the library to connect with files and databases. If you convert your qlikview documents into qlik sense apps with Qlik Sense Desktop the statements will be converted to use the library.
you can directly import the Qlikview document into the Qliksense it will automatically create load all the script in the Qlikview document....and it will create a copy for the same
