Both of the (commercial) solutions work well, if you are looking for open source, try LangChain. It's just 15 lines to do document summarization and you can as

Both of the (commercial) solutions work well, if you are looking for open source, try LangChain. It's just 15 lines to do document summarization and you can ask it to summarize arguments by customizing the summarisation prompt. You could bring in other papers context with other tech, but indexing it all would be the tricky bit. There's also something called GROBID which extracts scientific PDFs much better than generic PDF readers. it's worth spinning up a docker instance of it and getting the text that way for LangChain if you have time.