Every manufacturer I talk to has the same artifact: a master PDF catalog. Forty pages, sixty megabytes, last edited "around the last price update". It gets emailed dozens of times a week, each time slightly wrong for the person receiving it.
Three problems hiding in one file
It is always a little out of date. The moment you change a price, every PDF already in someone's inbox is wrong. You cannot recall it. You just hope they ask before they quote.
It has the wrong prices for this buyer. A distributor, a wholesaler and a fair walk-in should not see the same numbers. So your team manually edits a copy per tier, which is slow and error-prone, or everyone sees one price and you negotiate down from there.
It tells you nothing. You have no idea if it was opened, which products were looked at, or whether it was forwarded internally. The most expensive document in your sales process is also the most invisible.
A catalog should behave like software, not paper
When the catalog is a link instead of a file, the math changes. You update a price once and every link reflects it instantly. Each buyer's link is tied to their segment, so they see their price automatically, no manual edits. And because it is a page, not an attachment, you can see what was viewed.
None of this asks the buyer to do anything new. They click a link on a phone, the same gesture as opening an attachment, except the page is fast, current, and priced for them.
The PDF is not your catalog. It is a snapshot of your catalog from a date you can't quite remember.
You do not need to throw away how you sell. You need the catalog itself to stop working against you.