Just export as an ASCII file to PADS 9.0.
The proper forum for this question is TechXchange Electronics Technology Community - Forum for Electrical Engineers | DigiKey and it was already answered there.
Your version of PADS 9.0 was released in 2009 and is many years older than Designer Layout. The current versions of PADS have been designed to import Designer Layout files. We cannot support all versions of all past products. Please contact our sales department for upgrade pricing.
Gary - did you mean to point Rodney to the top of the Designer Tools forum or is that link broken? (maybe it only works if you are signed in?).
jduquette - Yes I did. Designer Layout is supported by Digi_Key technical support at TechXchange Electronics Technology Community - Forum for Electrical Engineers | DigiKey The question was answered in the Digi-Key forum on August 14, 2015.
Designer Layout is a new PCB layout tool, released in 2014, optimized to work with Designer Schematic and both are exclusively sold and supported by Digi-Key. The Designer series of tools have many enhancements allowing the user to quickly design and create PCB's
It is possible to import the .pcb file from Designer Layout into the current versions for PADS for additional enhanced routing features and rules using File Import just like PADS supports importing other layout formats from other competitive tools.