Use case: "download protected Telegram posts"
When you need to save not just one file but the full post, two things matter: the post link and knowing whether the source is public or private. That is what removes the pain when forwarding does not work or is inconvenient.
In many Telegram scenarios the value is not only in the attachment. Users often need the post text as well: a lesson description, an instruction, a caption for an archive, links, or task context.
That is why when someone searches "download protected Telegram posts" they usually mean saving the whole post, not just separate files.
The best entry point is a link to the specific post. SpyGrabs can process the needed message by that link and return:
This is especially important for courses, curated material collections, and educational channels.
The same basic principle applies, but access is added on top. You must already have access to the channel, chat, or topic. After that the bot may ask for Telegram authorization to see the source and find the needed message.
If you do not have access to the source, the export will not start. If you do, the source being private does not block the flow — but authorization or a working invite link may be required.
If you need to save not one or two posts from a private source but an entire course or a large archive of materials, individual post links become inconvenient. In that case it is better to switch to the full channel download flow.
It is sold not as a "premium feature" but as the most straightforward way to grab the full archive without manual collection.