textFramesBadeLine

//https://forum.rudtp.ru/threads/najti-perejti-k-frejmu-gde-tekst-ne-prilegaet-k-nizhnej-granice.75885/

var tfs = app.activeDocument.textFrames.everyItem().getElements();
for (var i = 0; i < tfs.length; i++) {
    var tf = tfs[i];
    var line = tf.lines.lastItem();
    if (line.isValid) {
        var bottom = tf.geometricBounds[2] - tf.textFramePreferences.insetSpacing[2];
        var baseline = line.baseline;
        if (bottom - baseline > 0.1) {
            $.writeln(tf.id);
        }
    }
}