All PDFs have landing pages, and the pages are already indexed. If we allow the PDFs to get indexed, then they'd be downloadable directly from google's results page and we would not get GA events.
The PDFs info would somewhat overlap with the landing pages info. Also, if we ever need to move content, we'd now have to redirects the links to the PDFs.
What are best practices in this area? To index or not?
What do you / your clients do and why?
Would a PDF indexed by google and downloaded directly via a link in the SER page pass SEO juice to the domain? What if it's on a subdomain, like when hosted by Pardot? (www1.example.com)