I would need to know exactly what R9 graphics you have installed to know for sure. I think that your graphics fall bellow the minimum specifications for that game.
The mobile variants of chips while they have similar numbers to their desktop variants are most the time much slower and or much older architecture.
If you know what your graphics are you can search for that vs the minimum HD 7870 and see if your GPU is indeed not meeting specifications.
These are the minimum specs for that game:
Pro Evolution Soccer 2019 game details
PES 2019 is back for the 2019 season! You will need a GeForce GTX 670 or AMD Radeon HD 7870 to see the new graphics. Plus a Core i5-3470 or an AMD FX-4350. As usual, the graphics have been revamped to an almost photo-realistic level. Player mechanics have also been updated: fatigue will have an extremely visible effect on your players' ability to run, shoot, and dribble. If running the pitch isn't your only thing, prepare your inner manager and take on the ML Real Season.
Here are the Pro Evolution Soccer 2019 System Requirements (Minimum)
- CPU: Intel Core i5-3470 / AMD FX 4350
- CPU SPEED: Info
- RAM: 4 GB
- OS: Windows 7 SP1/8.1/10 - 64bit
- VIDEO CARD: 2 GB NVIDIA GeForce GTX 670 / AMD Radeon HD 7870
- PIXEL SHADER: 5.0
- VERTEX SHADER: 5.0
- FREE DISK SPACE: 30 GB
- DEDICATED VIDEO RAM: 2 GB
Pro Evolution Soccer 2019 Recommended Requirements
- CPU: Intel Core i7-3770 / AMD FX 8350
- CPU SPEED: Info
- RAM: 8 GB
- OS: Windows 7 SP1/8.1/10 - 64bit
- VIDEO CARD: 4 GB NVIDIA GeForce GTX 760 / AMD Radeon R9 270X
- PIXEL SHADER: 5.0
- VERTEX SHADER: 5.0
- FREE DISK SPACE: 30 GB
- DEDICATED VIDEO RAM: 4 GB