Is there any way to find IDFA/GOOGLE AID of a device during the deployment test?

You can find IDFA / GAID by following the steps described in each documentation.

Android

• How to find on a device
    1. Launch the Settings app.
    2. Find and click the "Google" entry.
    3. Find and click Ads.
    4. Your GAID is shown on this page
• How to find on the Log
    1. Enable logging. Analytics.setLogEnabled(true);
    2. Launch the app and reach the point where the Metaps Analytics SDK is called
    3. Output to Logcat

iOS

1. Enable logging. [MetapsAnalytics enableLog:(BOOL)enabled];
2. Launch the app and reach the point where the Metaps Analytics SDK is called
3. Output to Logcat

Unity

1. Enable logging. MetapsAnalyticsScript.SetLogEnabled(true);
2. Launch the app and reach the point where the Metaps Analytics SDK is called
3. Output to Logcat