How do I upload a PDF file?
In Tilda, you cannot upload .pdf or .docx files directly to the web page. The simplest way to go is to upload a file to a cloud hosting service such as Dropbox, Google Drive or iCloud, get a direct link and then use it in the blocks BF802 or BF803 from the "Button and Form" category.
To display a readable .pdf document on a web page, find a third-party solution and implement it using the "Embed HTML Code" block (T123).
Learn more about inserting HTML code: http://help.tilda.ws/html