Welcome to the forums - and sorry for the slow reply!
Issues loading Gerber and Drill files typically occur because of a formatting mismatch between them. I’m not familiar with PADS, but during export can you please ensure both the drill and gerber files are:
- Formatted as “3:4” - Meaning 3 digits for integers and 4 digits for decimals - i.e coordinates are expressed as: 123.4567
- Formatted with leading zeroes suppressed (if available)
- Exported with the same units (Imperial vs Metric)
If the txt file is not aligning with the gerber file, it sounds like there is a scaling issue, does it look like the drill holes are in a different coordinate system?
Are you able to share your Gerber (.pho) and Drill (.drl) file with us? We can take a look and see what is going on. If they contain sensitive information, you are welcome to email them to firstname.lastname@example.org instead of posting them.